[jboss-jira] [JBoss JIRA] Commented: (JBRULES-1784) Class Cast exception when using from

[Dave Sinclair (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBRULES-1784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12431470#action_12431470 ] 

Dave Sinclair commented on JBRULES-1784:
----------------------------------------

I just tried it with the 5.0.0M1 and it worked

> Class Cast exception when using from
> ------------------------------------
>
>                 Key: JBRULES-1784
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-1784
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 4.0.7
>         Environment: Windows XP
>            Reporter: Dave Sinclair
>            Assignee: Mark Proctor
>
> I have the following rule that should fire for each element in the set from $Chassis
> rule 'ChassisSlotCollectionFieldWalker'
>     agenda-group "Traversal"
>     no-loop true    
>     dialect "mvel"
> when
> 	$Chassis : Chassis ()
>         $SlotElement : Slot () from  $Chassis.slots
> then
>         insert($SlotElement);    
> end
> But whenever I insert a Chassis into memory, I get the following expcetion
> Caused by: java.lang.ClassCastException: com.sungard.ams.persistence.model.objects.BladeServerSlot cannot be cast to com.sungard.ams.persistence.model
> .objects.BladeChassis$$EnhancerByCGLIB$$e5aeb667
>         at ASMAccessorImpl_248066451222360199260.getValue(Unknown Source)
>         at org.mvel.ast.VariableDeepPropertyNode.getReducedValueAccelerated(VariableDeepPropertyNode.java:22)
>         at org.mvel.ast.PropertyASTNode.getReducedValueAccelerated(PropertyASTNode.java:21)
>         at org.mvel.MVELRuntime.execute(MVELRuntime.java:90)
>         at org.mvel.CompiledExpression.getValue(CompiledExpression.java:111)
>         at org.mvel.MVEL.executeExpression(MVEL.java:252)
>         at org.drools.base.dataproviders.MVELDataProvider.getResults(MVELDataProvider.java:55)
>         at org.drools.reteoo.FromNode.assertTuple(FromNode.java:68)
>         at org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(SingleTupleSinkAdapter.java:55)
>         at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:116)
>         at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:318)
>         at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:162)
>         at org.drools.reteoo.Rete.assertObject(Rete.java:175)
>         at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192)
>         at org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:71)
>         at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:911)
>         at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:883)
>         at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:67)
>         at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:61)
> BladeServerSlot is a subclass of Slot and is contained in a Chassis.
> Here is the debug from insertion
> [ObjectInserted: handle=[fid:1:1:ClassName:[BladeChassis], GUID:[CF0A4E63-94B2-8505-9CD2-56B4CBB52A01], Revision#:[10], Creation Date:[2008-09-24 11:2
> 5:59.687], ModDate:[2008-09-24 14:44:55.859], ModBy:[david.sinclair], CommonName:[blade chassis 1]]; object=ClassName:[BladeChassis], GUID:[CF0A4E63-9
> 4B2-8505-9CD2-56B4CBB52A01], Revision#:[10], Creation Date:[2008-09-24 11:25:59.687], ModDate:[2008-09-24 14:44:55.859], ModBy:[david.sinclair], Commo
> nName:[blade chassis 1]]
> and before activation fired
> [BeforeActivationFired(0): rule=ChassisSlotCollectionFieldWalker; tuple=[fid:3:3:ClassName:[BladeServerSlot], GUID:[AE26671E-BF95-B58A-A6AB-DA13BEED6B
> D5], Revision#:[0], Creation Date:[2008-09-24 16:10:11.062], ModDate:[2008-09-24 16:10:11.062], ModBy:[david.sinclair], CommonName:[blade server slot
> 2]]
> [fid:1:1:ClassName:[BladeChassis], GUID:[CF0A4E63-94B2-8505-9CD2-56B4CBB52A01], Revision#:[10], Creation Date:[2008-09-24 11:25:59.687], ModDate:[2008
> -09-24 14:44:55.859], ModBy:[david.sinclair], CommonName:[blade chassis 1]]
> ]

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