[rules-users] ClassCastException: org.drools.reteoo.RuleTerminalNode$TerminalNodeMemory cannot be cast to org.drools.reteoo.EvalConditionNode$EvalMemory

[Edson Tirelli]

   Paul,

   I believe this is related to a problem I fixed in trunk a couple weeks
ago. Can you please test trunk and let me know if the problem persists?

   Thank you,
    Edson

2010/4/29 Paul Ryan <pryan at infotrustgroup.com>

> Hi all,
>
> We're receiving some error messages that we don't understand from rules
> that had conditionals that worked and now don't (no upgrade or anything like
> that, they just stopped working), any clues as to what kinds of things to
> look for when we get an error like the following? (if not we can try to pair
> down to an a test case)
>
> org.drools.runtime.rule.ConsequenceException: java.lang.ClassCastException:
> org.drools.reteoo.RuleTerminalNode$TerminalNodeMemory cannot be cast to
> org.drools.reteoo.EvalConditionNode$EvalMemory
>        at
> org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:23)
>        at
> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:943)
>        at
> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:885)
>        at
> org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1086)
>        at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:660)
>        at
> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:627)
>        at
> org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:183)
>        at
> com.infotrustgroup.rules.engine.RulesManager.runRules(RulesManager.java:353)
>        at
> com.infotrustgroup.util.rules.RuleFileUtil.runRules(RuleFileUtil.java:406)
>        at
> com.infotrustgroup.util.rules.RuleFileUtil.runRules(RuleFileUtil.java:370)
>        at com.infotrustgroup.util.rules.RuleRunner.run(RuleRunner.java:395)
>        at
> com.infotrustgroup.util.rules.RuleRunner.call(RuleRunner.java:193)
>        at
> com.infotrustgroup.jobs.services.auth.EditionsRulesJobRunner.runRules(EditionsRulesJobRunner.java:87)
> Caused by: java.lang.ClassCastException:
> org.drools.reteoo.RuleTerminalNode$TerminalNodeMemory cannot be cast to
> org.drools.reteoo.EvalConditionNode$EvalMemory
>        at
> org.drools.reteoo.EvalConditionNode.retractLeftTuple(EvalConditionNode.java:199)
>        at
> org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateRetractLeftTuple(CompositeLeftTupleSinkAdapter.java:159)
>        at
> org.drools.reteoo.CompositeLeftTupleSinkAdapter.propagateRetractLeftTuple(CompositeLeftTupleSinkAdapter.java:68)
>        at org.drools.reteoo.JoinNode.retractLeftTuple(JoinNode.java:231)
>        at
> org.drools.reteoo.ObjectTypeNode.retractObject(ObjectTypeNode.java:239)
>        at
> org.drools.reteoo.EntryPointNode.retractObject(EntryPointNode.java:195)
>        at
> org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:1416)
>        at
> org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:1360)
>        at
> org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:141)
>        at
> org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:154)
>        at
> com.infotrustgroup.what.Rule_Transform_SGML_to_XML_0.consequence(Rule_Transform_SGML_to_XML_0.java:48)
>        at
> com.infotrustgroup.what.Rule_Transform_SGML_to_XML_0ConsequenceInvoker.evaluate(Rule_Transform_SGML_to_XML_0ConsequenceInvoker.java:34)
>        at
> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:934)
>        ... 11 more
>
> Thanks in advance for your help with this,
>
> -- Paul Ryan
>
>
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>



-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss by Red Hat @ www.jboss.com
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