java.lang.NullPointerException

Google Groups | Thibault Daoulas | 6 months ago
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    Google Groups | 6 months ago | Thibault Daoulas
    java.lang.NullPointerException
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    https://bugzilla.redhat.com/bugzilla/ | 2 years ago | Martin Weiler
    java.lang.NullPointerException
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    NullPointerException on LeftTupleIndexHashTable.remove()

    https://bugzilla.redhat.com/bugzilla/ | 2 years ago | Tibor Zimanyi
    java.lang.NullPointerException: null

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.drools.core.phreak.RuleNetworkEvaluator.deleteChildLeftTuple()
    2. Drools :: Core
      StatefulKnowledgeSessionImpl.fireAllRules
      1. org.drools.core.phreak.RuleNetworkEvaluator.deleteChildLeftTuple(RuleNetworkEvaluator.java:725)
      2. org.drools.core.phreak.RuleNetworkEvaluator.unlinkAndDeleteChildLeftTuple(RuleNetworkEvaluator.java:718)
      3. org.drools.core.phreak.PhreakJoinNode.doLeftDeletes(PhreakJoinNode.java:416)
      4. org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:50)
      5. org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519)
      6. org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505)
      7. org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)
      8. org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)
      9. org.drools.core.phreak.RuleNetworkEvaluator.doRiaNode(RuleNetworkEvaluator.java:573)
      10. org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:500)
      11. org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)
      12. org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)
      13. org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136)
      14. org.drools.core.phreak.AddRemoveRule.forceFlushLeftTuple(AddRemoveRule.java:652)
      15. org.drools.core.phreak.AddRemoveRule.flushLeftTupleIfNecessary(AddRemoveRule.java:626)
      16. org.drools.core.reteoo.BetaNode.assertObject(BetaNode.java:299)
      17. org.drools.core.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:63)
      18. org.drools.core.reteoo.WindowNode.assertObject(WindowNode.java:184)
      19. org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:494)
      20. org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:384)
      21. org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:300)
      22. org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:93)
      23. org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:78)
      24. org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:68)
      25. org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:2011)
      26. org.drools.core.phreak.RuleExecutor.fire(RuleExecutor.java:128)
      27. org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:74)
      28. org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1007)
      29. org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1350)
      30. org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288)
      31. org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1306)
      32. org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1297)
      33. org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1278)
      33 frames