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

[Paul Ryan]

Any ideas what the svn commit revision was I'd like to patch our code as we're trying to get to a production state and this plus the issue reported by Jason Smith at http://drools-java-rules-engine.46999.n3.nabble.com/no-subject-tt48858.html#a48858 are holding us back.

Any pointers you have here would be appreciated. As well as a review of his code for fixing the removeFactHandle issue pointed out in that thread so I can try to apply these patches and see if these issues are fixed.

-- Paul Ryan

On Apr 30, 2010, at 8:49 AM, Edson Tirelli wrote:


   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<mailto: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<http://www.jboss.com/>
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