[jboss-jira] [JBoss JIRA] (DROOLS-202) RuntimeDroolsException appears randomly

[Nedo Nedic (JIRA)]

Nedo Nedic created DROOLS-202:
---------------------------------

             Summary: RuntimeDroolsException appears randomly
                 Key: DROOLS-202
                 URL: https://issues.jboss.org/browse/DROOLS-202
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.5.0.Final
         Environment: JBoos 5.4
Linux Ubutu
JDK 1.6
            Reporter: Nedo Nedic
            Assignee: Mark Proctor


>From time to time I see that the following exception is thrown when inserting facts into working memory. Full stack trace:

org.drools.RuntimeDroolsException: Unexpected exception executing action org.drools.rule.SlidingTimeWindow$BehaviorExpireWMAction at 5f86946e
	at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:979)
	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:322)
	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:298)
	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:888)
	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:847)
	at org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:269)
	at com.comp.impl.AbstractCorrelator.insertFact(AbstractCorrelator.java:297)
	at com.comp.impl.TemporalCorrelatorServiceImpl.insertFact(TemporalCorrelatorServiceImpl.java:72)
	at com.comp.impl.AbstractCorrelator.processMessage(AbstractCorrelator.java:467)
	at com.comp.jms.JmsMessageListenerImpl.onMessage(JmsMessageListenerImpl.java:75)
	at org.apache.activemq.ActiveMQMessageConsumer.dispatch(ActiveMQMessageConsumer.java:1088)
	at org.apache.activemq.ActiveMQSessionExecutor.dispatch(ActiveMQSessionExecutor.java:127)
	at org.apache.activemq.ActiveMQSessionExecutor.iterate(ActiveMQSessionExecutor.java:197)
	at org.apache.activemq.thread.PooledTaskRunner.runTask(PooledTaskRunner.java:122)
	at org.apache.activemq.thread.PooledTaskRunner$1.run(PooledTaskRunner.java:43)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
	at org.drools.core.util.RightTupleIndexHashTable.remove(RightTupleIndexHashTable.java:372)
	at org.drools.reteoo.AccumulateNode.retractRightTuple(AccumulateNode.java:318)
	at org.drools.rule.SlidingTimeWindow.expireFacts(SlidingTimeWindow.java:185)
	at org.drools.rule.SlidingTimeWindow$BehaviorExpireWMAction.execute(SlidingTimeWindow.java:479)
	at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977)
	... 17 more




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