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https://issues.apache.org/jira/browse/OAK-675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-675:
------------------------------
Labels: observation (was: )
> Observation generates NPE in an existing EventListener
> ------------------------------------------------------
>
> Key: OAK-675
> URL: https://issues.apache.org/jira/browse/OAK-675
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core
> Reporter: Alex Parvulescu
> Assignee: Michael Dürig
> Labels: observation
> Fix For: 0.9
>
>
> Because there is no user id passed on to the events generated by the
> _ChangeProcessor_, the sling EventListener throws a bunch of NPEs when it
> receives the events.
> {code}
> 06.03.2013 11:33:13.866 *ERROR* [pool-4-thread-1]
> org.apache.jackrabbit.oak.plugins.observation.ChangeProcessor Unable to
> generate or send events java.lang.NullPointerException
> at java.util.Hashtable.put(Hashtable.java:394)
> at
> org.apache.sling.jcr.resource.internal.JcrResourceListener.sendOsgiEvent(JcrResourceListener.java:298)
> at
> org.apache.sling.jcr.resource.internal.JcrResourceListener.onEvent(JcrResourceListener.java:218)
> at
> org.apache.jackrabbit.oak.plugins.observation.ChangeProcessor$EventGeneratingNodeStateDiff.sendEvents(ChangeProcessor.java:154)
> at
> org.apache.jackrabbit.oak.plugins.observation.ChangeProcessor.run(ChangeProcessor.java:117)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {code}
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