[jira] [Created] (OAK-675) Observation generates NPE in sling EventListener

["Alex Parvulescu (JIRA)" <ji...@apache.org>]

Alex Parvulescu created OAK-675:
-----------------------------------

             Summary: Observation generates NPE in sling EventListener
                 Key: OAK-675
                 URL: https://issues.apache.org/jira/browse/OAK-675
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: core
            Reporter: Alex Parvulescu


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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