[jboss-jira] [JBoss JIRA] Updated: (JBRULES-2882) NPE in EqualityEvaluatorsDefinition$StringEqualEvaluator.evaluateCachedLeft

[Geoffrey De Smet (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Geoffrey De Smet updated JBRULES-2882:
--------------------------------------

    Fix Version/s: 5.3.0.Final
                       (was: 5.3.0.CR1)


> NPE in EqualityEvaluatorsDefinition$StringEqualEvaluator.evaluateCachedLeft
> ---------------------------------------------------------------------------
>
>                 Key: JBRULES-2882
>                 URL: https://issues.jboss.org/browse/JBRULES-2882
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core  (expert)
>    Affects Versions: 5.1.0.FINAL
>         Environment: OS: Win 7 Professional 64 Bit, 64 Bit Java, 
>            Reporter: Ravi Bhatt
>            Assignee: Edson Tirelli
>              Labels: Manager, Partition, task
>             Fix For: 5.3.0.Final
>
>
> While working with rules with partitioning turned on.
> KnowledgeBaseConfiguration config = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
> config.setOption( MultithreadEvaluationOption.YES );
> conf.setOption( MaxThreadsOption.get(5) );
> Once we start inserting objects into the KSession, somewhere in the middle it throws this error:
> Partition task manager caught an unexpected exception: null
> Drools is capturing the exception to avoid thread death. Please report stack trace to development team.
> java.lang.NullPointerException
> 	at org.drools.base.evaluators.EqualityEvaluatorsDefinition$StringEqualEvaluator.evaluateCachedLeft(EqualityEvaluatorsDefinition.java:1984)
> 	at org.drools.rule.VariableRestriction.isAllowedCachedLeft(VariableRestriction.java:109)
> 	at org.drools.rule.VariableConstraint.isAllowedCachedLeft(VariableConstraint.java:115)
> 	at org.drools.common.SingleBetaConstraints.isAllowedCachedLeft(SingleBetaConstraints.java:142)
> 	at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:274)
> 	at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:138)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:64)
> 	at org.drools.reteoo.JoinNode.assertLeftTuple(JoinNode.java:85)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:64)
> 	at org.drools.reteoo.FromNode.checkConstraintsAndPropagate(FromNode.java:279)
> 	at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:138)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:64)
> 	at org.drools.reteoo.JoinNode.assertObject(JoinNode.java:128)
> 	at org.drools.reteoo.PartitionTaskManager$FactAssertAction.execute(PartitionTaskManager.java:274)
> 	at org.drools.reteoo.PartitionTaskManager$PartitionTask.run(PartitionTaskManager.java:118)
> 	at org.drools.concurrent.ExternalExecutorService$ObservableRunnable.run(ExternalExecutorService.java:453)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)

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