[jboss-jira] [JBoss JIRA] (DROOLS-1223) java.lang.NullPointerException druing Condition Evaluation

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-1223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco reassigned DROOLS-1223:
-----------------------------------

    Assignee: Mario Fusco  (was: Mark Proctor)


> java.lang.NullPointerException druing Condition Evaluation
> ----------------------------------------------------------
>
>                 Key: DROOLS-1223
>                 URL: https://issues.jboss.org/browse/DROOLS-1223
>             Project: Drools
>          Issue Type: Bug
>    Affects Versions: 6.3.0.Final, 6.4.0.Final
>            Reporter: Rodrigo Doria Medina
>            Assignee: Mario Fusco
>
> {panel:title=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)
> {panel}
> 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!



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