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https://issues.apache.org/jira/browse/SLING-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Carsten Ziegeler resolved SLING-2773.
-------------------------------------
Resolution: Fixed
Thanks for reporting, Alex - I've added an extra null check for the user id
> NPE in JcrResourceListener on missing user id
> ---------------------------------------------
>
> Key: SLING-2773
> URL: https://issues.apache.org/jira/browse/SLING-2773
> Project: Sling
> Issue Type: Bug
> Components: JCR
> Affects Versions: JCR Resource 2.2.4
> Reporter: Alex Parvulescu
> Assignee: Carsten Ziegeler
> Fix For: JCR Resource 2.2.6
>
>
> The Oak repository impl doesn't yet provide user id information on events
> which makes for a NPE on the sling side (See OAK-675).
> Providing null as user id is considered legal , so probably a null guard is
> in order [0].
> [0]
> http://svn.apache.org/viewvc/sling/trunk/bundles/jcr/resource/src/main/java/org/apache/sling/jcr/resource/internal/JcrResourceListener.java?view=markup#l298
> {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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