Weird exception thrown: java.lang.ClassCastException: org.drools.reteoo.InitialFactImpl cannot be cast to XXX... ----------------------------------------------------------------------------------------------------------------- Key: JBRULES-3327 URL: https://issues.jboss.org/browse/JBRULES-3327 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: drools-core (expert) Affects Versions: 5.3.0.Final Environment: jdk 1.6u27, ubuntu linux 11.04 Reporter: Miles Wen Assignee: Mark Proctor This code throws exception at runtime, with default settings: rule "out" when l1:Msg(str == 'test') and l2:Msg(!bool) or eval(!false) then end which throws: org.drools.RuntimeDroolsException: Unexpected exception executing action org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction@ef894ce at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:315) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:291) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:886) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:845) at org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:255) at com.sample.DroolsTest.main(DroolsTest.java:51) Caused by: org.drools.RuntimeDroolsException: com.sample.Rule_outEval0Invoker@3e1b05a2 : java.lang.ClassCastException: org.drools.reteoo.InitialFactImpl cannot be cast to com.sample.Msg at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119) at org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:178) at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:197) at org.drools.reteoo.SingleLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:146) at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:158) at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59) at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:215) at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:244) at org.drools.reteoo.Rete.assertObject(Rete.java:107) at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:284) at org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute(ReteooWorkingMemory.java:404) at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:975) ... 6 more Caused by: java.lang.ClassCastException: org.drools.reteoo.InitialFactImpl cannot be cast to com.sample.Msg at com.sample.Rule_outEval0Invoker.evaluate(Unknown Source) at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114) ... 17 more P.S: 'Msg' is an arbitrary pojo fact defined by user. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.jboss.org/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira