[teiid-issues] [JBoss JIRA] Closed: (TEIID-763) Exceptions from cache under load

[Ramesh Reddy (JIRA)]

     [ https://jira.jboss.org/jira/browse/TEIID-763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ramesh Reddy closed TEIID-763.
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> Exceptions from cache under load
> --------------------------------
>
>                 Key: TEIID-763
>                 URL: https://jira.jboss.org/jira/browse/TEIID-763
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 6.1.0
>            Reporter: Steven Hawkins
>            Assignee: Ramesh Reddy
>             Fix For: 6.2.0
>
>
> The following exceptions happen occasional under load.  These exceptions are mostly cosmetic though, since they are happening only during removal.
> Exception in thread "Worker5" java.lang.NullPointerException
> 	at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java:145)
> 	at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java:63)
> 	at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java:303)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java:357)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:247)
> 	at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:44)
> 	at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java:211)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619)
> Exception in thread "Worker0" org.jboss.cache.NodeNotValidException: Node /Teiid/Scoped-Cache is not valid.  Perhaps it has been moved or removed.
> 	at org.jboss.cache.invocation.NodeInvocationDelegate.assertValid(NodeInvocationDelegate.java:527)
> 	at org.jboss.cache.invocation.NodeInvocationDelegate.assertValid(NodeInvocationDelegate.java)
> 	at org.jboss.cache.invocation.NodeInvocationDelegate.getChild(NodeInvocationDelegate.java:360)
> 	at org.jboss.cache.invocation.NodeInvocationDelegate.getChild(NodeInvocationDelegate.java)
> 	at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java:145)
> 	at com.metamatrix.cache.jboss.JBossCache.getChild(JBossCache.java)
> 	at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java:63)
> 	at org.teiid.dqp.internal.cache.DQPContextCache.removeRequestScopedCache(DQPContextCache.java)
> 	at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java:303)
> 	at org.teiid.dqp.internal.process.DQPCore.removeRequest(DQPCore.java)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java:357)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.attemptClose(RequestWorkItem.java)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:247)
> 	at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java)
> 	at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:44)
> 	at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java)
> 	at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java:211)
> 	at com.metamatrix.common.queue.WorkerPoolFactory$StatsCapturingSharedThreadPoolExecutor$1.run(WorkerPoolFactory.java)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:619)

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