[rules-users] org.drools.reteoo.AlphaNode$AlphaMemory cannot be cast to org.drools.reteoo.BetaMemory

Mark Proctor mproctor at codehaus.org
Thu May 27 05:30:53 EDT 2010


On 20/05/2010 17:09, Axelrod, Nelson wrote:
>
> Can anyone explain what this ConsequenceException means?
>
> Exception in thread "main" 
> _org.drools.runtime.rule.ConsequenceException_: 
> _java.lang.ClassCastException_: 
> org.drools.reteoo.AlphaNode$AlphaMemory cannot be cast to 
> org.drools.reteoo.BetaMemory
>
>       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 
> org.jcvi.annotation.rulesengine.RulesEngine.fireAllRules(_RulesEngine.java:210_)
>
>       at org.jcvi.annotation.Aruba.run(_Aruba.java:311_)
>
>       at org.jcvi.annotation.RunTest.main(_RunTest.java:55_)
>
> Nelson
>
Should be fixed in 5.1 M2:
http://www.jboss.org/drools/downloads.html

Mark
>
>
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>    

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