[rules-users] ClassCastException with 5.0CR1 on execute(Iterable obj)

[psentosa]

Hi all,

I've just updated to drools 5.0CR1.
Before I had this kind of expression:

ksession.executeIterable(objects) with objects ist a list containing
different kind of objects
and this worked perfectly.

after updating, I use the forementioned execute(Iterable obj) on the same
list of objects, but I got the class cast exception:

12:13:18,718 INFO  [STDOUT] [] [2009:03:72 12:03:718:info] KnowledgeAgent
new KnowledgeBase now built and in use
12:13:19,156 ERROR [myClass.Interceptor] []
org.drools.base.mvel.MVELEvalExpression at 14e4952 :
java.lang.ClassCastException: java.lang.Integer
org.drools.RuntimeDroolsException:
org.drools.base.mvel.MVELEvalExpression at 14e4952 :
java.lang.ClassCastException: java.lang.Integer
	at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:122)
	at
org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:180)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:117)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:34)
	at
org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:189)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:117)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:28)
	at org.drools.reteoo.FromNode.evaluateAndPropagate(FromNode.java:156)
at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:104)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:117)
	at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:28)
	at org.drools.reteoo.FromNode.evaluateAndPropagate(FromNode.java:156)
	at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:104)
	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:366)
	at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:349)
	at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:184)
	at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:146)
	at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1066)
	at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1022)
	at
org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:810)
	at
org.drools.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:229)

Could this be a problem from mvel or is it eventually my code that causes
this? (no changed on my code has been made before)

many thanks for hints

Regards




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