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https://issues.apache.org/jira/browse/JCR-2160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840730#action_12840730
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Andrey Adamovich commented on JCR-2160:
---------------------------------------
That line contains:
ChangeLog changeLog = (ChangeLog) commitLogs.get(Thread.currentThread());
The only thing that can be null in that line is the commitLogs. But that is
initialized in the default constructor:
private final Map commitLogs = Collections.synchronizedMap(new
IdentityHashMap());
How this could ever be possible?
> NPE in XAItemStateManager
> -------------------------
>
> Key: JCR-2160
> URL: https://issues.apache.org/jira/browse/JCR-2160
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Affects Versions: 1.5.6
> Environment: OS: Linux
> JVM: 1.5.0
> Tomcat: 5.5
> Spring extensions: 0.9
> Spring framework: 2.5
> Jackrabbit: 1.5.6
> Reporter: Jan Schraepen
>
> We're having a NPE during an stress test when using multiple concurrent
> threads. In this test we're trying to add multiple versionable items in the
> repository. This exception causes a tomcat unavailability. Only killing the
> tomcat process helps in this case.
> java.lang.NullPointerException
> at
> org.apache.jackrabbit.core.state.XAItemStateManager.stateModified(XAItemStateManager.java:580)
> at
> org.apache.jackrabbit.core.state.StateChangeDispatcher.notifyStateModified(StateChangeDispatcher.java:111)
> at
> org.apache.jackrabbit.core.state.SharedItemStateManager.stateModified(SharedItemStateManager.java:400)
> at
> org.apache.jackrabbit.core.state.StateChangeDispatcher.notifyStateModified(StateChangeDispatcher.java:111)
> at
> org.apache.jackrabbit.core.state.SharedItemStateManager.stateModified(SharedItemStateManager.java:400)
> at
> org.apache.jackrabbit.core.state.ItemState.notifyStateUpdated(ItemState.java:244)
> at
> org.apache.jackrabbit.core.state.ChangeLog.persisted(ChangeLog.java:285)
> at
> org.apache.jackrabbit.core.state.SharedItemStateManager$Update.end(SharedItemStateManager.java:735)
> at
> org.apache.jackrabbit.core.state.XAItemStateManager.commit(XAItemStateManager.java:174)
> at
> org.apache.jackrabbit.core.version.XAVersionManager.commit(XAVersionManager.java:497)
> at
> org.apache.jackrabbit.core.TransactionContext.commit(TransactionContext.java:206)
> at
> org.apache.jackrabbit.core.XASessionImpl.commit(XASessionImpl.java:339)
> at
> org.springframework.extensions.jcr.jackrabbit.support.JackRabbitUserTransaction.commit(JackRabbitUserTransaction.java:95)
> at
> org.springframework.extensions.jcr.jackrabbit.LocalTransactionManager.doCommit(LocalTransactionManager.java:189)
> ... 39 more
> We could appreciate it, if someone could have a look at this..
> Thanks in advance!
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