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  1. XWiki Platform
  2. XWIKI-17767

"Unable to retrieve a full list of RecordableEventDescriptor" message in XWiki console

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Solved By
    • Affects Version/s: 12.6.2, 12.7.1
    • Fix Version/s: 12.8-rc-1, 12.6.3
    • Component/s: Mentions
    • Environment:
      Windows 10, XWiki 12.7.1 with MySQL 8.0 and IE 11
    • Difficulty:
      Unknown
    • Similar issues:

      Description

      While testing on XWiki 12.7.1 with MySQL 8.0 and IE 11 I got in the wiki console:

      2020-09-08 17:05:07,490 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,492 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,498 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,499 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,527 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,535 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,536 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,538 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      2020-09-08 17:05:07,540 [ForkJoinPool.commonPool-worker-3] WARN  .i.UserEventDispatcherListener - Unable to retrieve a full list of RecordableEventDescriptor.
      org.xwiki.eventstream.EventStreamException: Failed to get the list of all Recordable Event Descriptors.
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:98)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterEvent(UserEventDispatcherListener.java:124)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source)
              at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source)
              at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(Unknown Source)
              at java.util.stream.AbstractPipeline.copyInto(Unknown Source)
              at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source)
              at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source)
              at java.util.stream.AbstractPipeline.evaluate(Unknown Source)
              at java.util.stream.ReferencePipeline.forEach(Unknown Source)
              at org.xwiki.notifications.notifiers.internal.UserEventDispatcherListener.prefilterMissingEvents(UserEventDispatcherListener.java:112)
              at java.util.concurrent.CompletableFuture$AsyncRun.run(Unknown Source)
              at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source)
              at java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
              at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source)
              at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
              at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)
      Caused by: org.xwiki.component.manager.ComponentLookupException: Failed to lookup component with type [interface org.xwiki.eventstream.RecordableEventDescriptor] and hint [mentions.mention]
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:245)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceList(EmbeddableComponentManager.java:225)
              at org.xwiki.component.internal.multi.DelegateComponentManager.getInstanceList(DelegateComponentManager.java:89)
              at org.xwiki.eventstream.internal.DefaultRecordableEventDescriptorManager.getRecordableEventDescriptors(DefaultRecordableEventDescriptorManager.java:75)
              ... 17 common frames omitted
      Caused by: java.lang.NullPointerException: null
              at org.xwiki.mentions.internal.descriptors.MentionEventDescriptor.initialize(MentionEventDescriptor.java:86)
              at org.xwiki.component.embed.InitializableLifecycleHandler.handle(InitializableLifecycleHandler.java:39)
              at org.xwiki.component.embed.EmbeddableComponentManager.createInstance(EmbeddableComponentManager.java:365)
              at org.xwiki.component.embed.EmbeddableComponentManager.getComponentInstance(EmbeddableComponentManager.java:451)
              at org.xwiki.component.embed.EmbeddableComponentManager.getInstanceMap(EmbeddableComponentManager.java:242)
              ... 20 common frames omitted
      

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              • Assignee:
                surli Simon Urli
                Reporter:
                ganechitoaei Gabriela Anechitoaei
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