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  1. Drools
  2. DROOLS-1223

java.lang.NullPointerException druing Condition Evaluation

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Major Major
    • None
    • 6.3.0.Final, 6.4.0.Final
    • None
    • None
    • NEW
    • NEW

      Code

      Caused by: java.lang.NullPointerException
      at ConditionEvaluator2afa7f52e3ae42c98bf357b4d12bd2f2.evaluate(Unknown Source)
      at org.drools.core.rule.constraint.MvelConstraint.evaluate(MvelConstraint.java:258)
      at org.drools.core.rule.constraint.MvelConstraint.isAllowed(MvelConstraint.java:214)
      at org.drools.core.reteoo.AlphaNode.modifyObject(AlphaNode.java:146)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:504)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:434)
      at org.drools.core.reteoo.AlphaNode.modifyObject(AlphaNode.java:147)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:504)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:434)
      at org.drools.core.reteoo.AlphaNode.modifyObject(AlphaNode.java:147)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:504)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:434)
      at org.drools.core.reteoo.AlphaNode.modifyObject(AlphaNode.java:147)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:504)
      at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:434)
      at org.drools.core.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:359)
      at org.drools.core.reteoo.EntryPointNode.propagateModify(EntryPointNode.java:249)
      at org.drools.core.phreak.PropagationEntry$Update.execute(PropagationEntry.java:150)
      at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:78)
      at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:68)
      at org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:2011)
      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:1007)
      at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1350)
      at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288)
      at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1306)
      at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1297)
      at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1278)

      This happens when running more than once the same piece of data. (It happens from the second time).
      I have no clue what could that be. When running the first time everything computes as expected.

      Thanks!

        1.
        		 java.lang.NullPointerException druing Condition Evaluation Sub-task Open Major Mario Fusco

            mfusco@redhat.com Mario Fusco
            rdoria1 Rodrigo Doria Medina (Inactive)
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              Created:
              Updated:
              Resolved: