[jboss-jira] [JBoss JIRA] (DROOLS-152) NPE during benchmark in LeftTupleIndexRBTree.remove

[Geoffrey De Smet (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791714#comment-12791714 ] 

Geoffrey De Smet commented on DROOLS-152:
-----------------------------------------

Arno, the project will need to upgraded to optaplanner 6.0.0.Beta5 or CR1 first (just follow the optaplanner upgrade recipe), but we can try to reproduce this issue again.
Drools did fix similar issues, so it's likely it's already fixed (until proven otherwise).
                
> NPE during benchmark in LeftTupleIndexRBTree.remove
> ---------------------------------------------------
>
>                 Key: DROOLS-152
>                 URL: https://issues.jboss.org/browse/DROOLS-152
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 6.0.0.Beta2
>            Reporter: Arno Hernach
>            Assignee: Geoffrey De Smet
>         Attachments: tournament_scheduling_system_gui.zip
>
>
> Exception in thread "main" java.lang.NullPointerException
> 	at org.drools.core.util.index.LeftTupleIndexRBTree.remove(LeftTupleIndexRBTree.java:63)
> 	at org.drools.core.reteoo.ExistsNode.modifyRightTuple(ExistsNode.java:388)
> 	at org.drools.core.reteoo.BetaNode.modifyObject(BetaNode.java:673)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:508)
> 	at org.drools.core.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:433)
> 	at org.drools.core.reteoo.AlphaNode.modifyObject(AlphaNode.java:161)
> 	at org.drools.core.reteoo.SingleObjectSinkAdapter.propagateModifyObject(SingleObjectSinkAdapter.java:69)
> 	at org.drools.core.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:386)
> 	at org.drools.core.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:294)
> 	at org.drools.core.common.NamedEntryPoint.update(NamedEntryPoint.java:505)
> 	at org.drools.core.common.NamedEntryPoint.update(NamedEntryPoint.java:393)
> 	at org.drools.core.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:903)
> 	at org.drools.core.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:872)
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.update(StatefulKnowledgeSessionImpl.java:294)
> 	at org.optaplanner.core.impl.score.director.drools.DroolsScoreDirector.afterVariableChanged(DroolsScoreDirector.java:131)
> 	at org.optaplanner.core.impl.heuristic.selector.move.generic.SwapMove.doMove(SwapMove.java:81)
> 	at org.optaplanner.core.impl.localsearch.decider.DefaultDecider.doMove(DefaultDecider.java:143)
> 	at org.optaplanner.core.impl.localsearch.decider.DefaultDecider.decideNextStep(DefaultDecider.java:116)
> 	at org.optaplanner.core.impl.localsearch.DefaultLocalSearchSolverPhase.solve(DefaultLocalSearchSolverPhase.java:62)
> 	at org.optaplanner.core.impl.solver.DefaultSolver.runSolverPhases(DefaultSolver.java:190)
> 	at org.optaplanner.core.impl.solver.DefaultSolver.solve(DefaultSolver.java:155)
> 	at org.optaplanner.benchmark.impl.ProblemBenchmark.warmUp(ProblemBenchmark.java:163)
> 	at org.optaplanner.benchmark.impl.DefaultPlannerBenchmark.warmUp(DefaultPlannerBenchmark.java:244)
> 	at org.optaplanner.benchmark.impl.DefaultPlannerBenchmark.benchmark(DefaultPlannerBenchmark.java:189)

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