[jboss-jira] [JBoss JIRA] Closed: (JBRULES-2839) ClassCastException: org.drools.reteoo.CollectNode$CollectMemory cannot be cast to org.drools.reteoo.FromNode$FromMemory

[Mark Proctor (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-2839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor closed JBRULES-2839.
---------------------------------

    Fix Version/s: 5.2.0.CR1
       Resolution: Out of Date


Collect is now implemented with accumulate, under the hood. I don't think this problem exists any more. Please open a new issue if this does continue.

> ClassCastException: org.drools.reteoo.CollectNode$CollectMemory cannot be cast to org.drools.reteoo.FromNode$FromMemory
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-2839
>                 URL: https://issues.jboss.org/browse/JBRULES-2839
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.0.1.FINAL
>            Reporter: Christian Jacinto
>            Assignee: Edson Tirelli
>             Fix For: 5.2.0.CR1
>
>
> Posting a similar case retrieved from http://comments.gmane.org/gmane.comp.java.drools.user/19739:
> Rule:
>  
> rule "test"
> when 
>     $inputObj : QuotationSearchFormObject( extensions != null )
>     QuotationLineExt( $locFrmLabel:label == 'Location From' , value != null , $locFromValue : value ) from $inputObj.getExtensions()
>     i : ArrayList( size > 0  ) from collect ( QuotationLine(  extensions  != null ) from $totList);
> then
>     System.out.println("success");
> end 
> Stacktrace:
> java.lang.ClassCastException: org.drools.reteoo.CollectNode$CollectMemory cannot be cast to org.drools.reteoo.FromNode$FromMemory
>         at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:93)
>         at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:145)
>         at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:57)
>         at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:142)
>         at org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:360)
>         at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:344)
>         at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:185)
>         at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:146)
>         at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1046)
>         at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1001)
>         at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:788)
>         at org.drools.process.command.InsertElementsCommand.execute(InsertElementsCommand.java:40)
>         at org.drools.process.command.InsertElementsCommand.execute(InsertElementsCommand.java:12)
>         at org.drools.runtime.impl.BatchExecutionImpl.execute(BatchExecutionImpl.java:23)
>         at org.drools.runtime.impl.BatchExecutionImpl.execute(BatchExecutionImpl.java:9)
>         at org.drools.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:225)

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