[jboss-jira] [JBoss JIRA] (DROOLS-700) ClassCastException using collect accumulator

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved DROOLS-700.
--------------------------------
    Fix Version/s: 6.2.0.Final
       Resolution: Done


Fixed by 815ff8fa32b3f1868ae30ec3117ca2dbdc5f26f4

> ClassCastException using collect accumulator
> --------------------------------------------
>
>                 Key: DROOLS-700
>                 URL: https://issues.jboss.org/browse/DROOLS-700
>             Project: Drools
>          Issue Type: Bug
>            Reporter: Mario Fusco
>            Assignee: Mario Fusco
>             Fix For: 6.2.0.Final
>
>
> When a collect accumulator is in a subnetwork the left tuple is unwrapped twice causing a ClassCastException like the following:
> java.lang.RuntimeException: java.lang.ClassCastException: ExpectedMessage cannot be cast to org.drools.core.reteoo.LeftTuple
> at org.drools.core.rule.SingleAccumulate.accumulate(SingleAccumulate.java:90)
> at org.drools.core.phreak.PhreakAccumulateNode.reaccumulateForLeftTuple(PhreakAccumulateNode.java:833)
> at org.drools.core.phreak.PhreakAccumulateNode.doLeftUpdatesProcessChildren(PhreakAccumulateNode.java:401)
> at org.drools.core.phreak.PhreakAccumulateNode.doLeftUpdates(PhreakAccumulateNode.java:301)
> at org.drools.core.phreak.PhreakAccumulateNode.doNode(PhreakAccumulateNode.java:72)
> at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:562)
> at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:533)
> at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:334)
> at org.drools.core.phreak.RuleNetworkEvaluator.evalStackEntry(RuleNetworkEvaluator.java:224)
> at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:166)
> at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:116)
> at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:231)
> at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:106)
> at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:1008)
> at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1294)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1289)
> at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1262)
> at org.drools.core.command.runtime.rule.FireAllRulesCommand.execute(FireAllRulesCommand.java:109)
> at org.drools.core.command.runtime.rule.FireAllRulesCommand.execute(FireAllRulesCommand.java:34)
> at org.drools.core.command.runtime.BatchExecutionCommandImpl.execute(BatchExecutionCommandImpl.java:155)
> at org.drools.core.command.runtime.BatchExecutionCommandImpl.execute(BatchExecutionCommandImpl.java:76)
> at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:321)
> Caused by: java.lang.ClassCastException: ExpectedMessage cannot be cast to org.drools.core.reteoo.LeftTuple
> at org.drools.core.base.accumulators.CollectAccumulator.accumulate(CollectAccumulator.java:95)
> at org.drools.core.rule.SingleAccumulate.accumulate(SingleAccumulate.java:82)
> ... 50 more



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