[jboss-jira] [JBoss JIRA] (DROOLS-1338) NPE happens in TupleSetsImpl.setNextTuple()

[Mario Fusco (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13309601#comment-13309601 ] 

Mario Fusco commented on DROOLS-1338:
-------------------------------------

[~hiroko] Where can I find a reproducer for this issue?

> NPE happens in TupleSetsImpl.setNextTuple()
> -------------------------------------------
>
>                 Key: DROOLS-1338
>                 URL: https://issues.jboss.org/browse/DROOLS-1338
>             Project: Drools
>          Issue Type: Bug
>          Components: core engine
>    Affects Versions: 6.4.0.Final
>            Reporter: Hiroko Miura
>            Assignee: Mario Fusco
>            Priority: Critical
>              Labels: support
>
> In customer's performance test case, NPE happens in TupleSetsImpl.setNextTuple() with the following stack.
> java.lang.NullPointerException
> 	at org.drools.core.common.TupleSetsImpl.setNextTuple(TupleSetsImpl.java:352)
> 	at org.drools.core.common.TupleSetsImpl.removeInsert(TupleSetsImpl.java:168)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.deleteChildLeftTuple(RuleNetworkEvaluator.java:729)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.unlinkAndDeleteChildLeftTuple(RuleNetworkEvaluator.java:721)
> 	at org.drools.core.phreak.PhreakNotNode.doRightUpdates(PhreakNotNode.java:343)
> 	at org.drools.core.phreak.PhreakNotNode.doNode(PhreakNotNode.java:74)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:524)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)
> 	at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136)
> 	at org.drools.core.phreak.AddRemoveRule.forceFlushLeftTuple(AddRemoveRule.java:692)
> 	at org.drools.core.phreak.AddRemoveRule.flushLeftTupleIfNecessary(AddRemoveRule.java:629)
> 	at org.drools.core.reteoo.NotNode.assertObject(NotNode.java:161)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:494)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:384)
> 	at org.drools.core.reteoo.AlphaNode.assertObject(AlphaNode.java:134)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:494)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:384)
> 	at org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:304)
> 	at org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:132)
> 	at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:82)
> 	at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:72)
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:2053)
> 	at org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:128)
> 	at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:74)
> 	at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:960)
> 	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1303)
> 	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1241)
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1336)
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1327)
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1308)



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