By your description, they look like problems, so please open a ticket for them.
Edson 2011/12/28 Miles Wen <miles.w...@gmail.com> > Hi all, > I'm using drools 5.3.0.Final.And I think I found two possibly bugs: > > 1): drl compilation failed when encountering multiple continuous '!' > (a.k.a 'not' operator)s.for example: > > rule "out" > when > Msg(!!!false) > then > end > > the code above won't compile, but 'Msg(!false)' compiles correctly. I > remember there's no such problems when using drools 5.0, this caused some > incompatibility issues in our system... > > 2): Weird exception thrown: java.lang.ClassCastException: > org.drools.reteoo.InitialFactImpl cannot be cast to XXX..., for example: > > rule "test" > when > l1:Msg(str == 'test') and > l2:Msg(!bool) or > eval(!false) > then > end > > this code above throws exception at runtime: > > org.drools.RuntimeDroolsException: Unexpected exception executing action > org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction@743fbbfc > at > org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977) > at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:315) > at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:291) > at > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:886) > at > org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:845) > at > org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:255) > at com.sample.DroolsTest.main(DroolsTest.java:56) > Caused by: org.drools.RuntimeDroolsException: > com.sample.Rule_testEval0Invoker@3e1b05a2 : java.lang.ClassCastException: > org.drools.reteoo.InitialFactImpl cannot be cast to com.sample.Msg > at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:119) > at > org.drools.reteoo.EvalConditionNode.assertLeftTuple(EvalConditionNode.java:178) > at > org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:197) > at > org.drools.reteoo.SingleLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:146) > at > org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:158) > at > org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59) > at > org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:215) > at > org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:244) > at org.drools.reteoo.Rete.assertObject(Rete.java:107) > at > org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:284) > at > org.drools.reteoo.ReteooWorkingMemory$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_testEval0Invoker.evaluate(Unknown Source) > at org.drools.rule.EvalCondition.isAllowed(EvalCondition.java:114) > ... 17 more > > Is there any workaround for those problems? especially the 2nd one... > > Any help would be appreciated, > Thanks! > > -- > Regards. > Miles. Wen > > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > > -- Edson Tirelli JBoss Drools Core Development JBoss by Red Hat @ www.jboss.com
_______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users
