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

[Steven Hawkins (JIRA)]

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: Steven Hawkins
            Priority: Minor
             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)

-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira