This does not explain the exception, but the logic expressed in the comment is: // und in den nächsten 20 sek wird die gleiche Platte nicht ausgeschaltet // *oder *es wird in den nächsten 20 sek kein Topf auf die Platte gestellt but the "not" CEs are implicitly connected by *and*.
Nevertheless, please file a JIRA, with code to reproduce the exception. -W On 14 April 2011 18:37, quivler <[email protected]> wrote: > Hey I'm getting the following Error "Unexpected exception executing action > org.drools.reteoo.PropagationQueuingNode$PropagateAction@631b86c7" with > one > off my rules in my project. > The problem is linked with the use of two after statements in one rule. > If I delete one of them everything works like a charm. > The rule looks like this: > > // Regeln > rule "Vergessene Herdplatte" > > when > // Platte wurde eingeschaltet und es steht kein Topf auf ihr > $platte: HerdplatteEingeschaltet( plateOccupied == false ) from > entry-point events > // und in den nächsten 20 sek wird die gleiche Platte nicht > ausgeschaltet > not( HerdplatteAusgeschaltet( this.nummer == $platte.nummer, this > after[0s,20s] $platte ) from entry-point events ) > // oder es wird in den nächsten 20 sek kein Topf auf die Platte > gestellt > not( TopfAufHerdplatte( this.nummer == $platte.nummer, this > after[0s,20s] $platte ) from entry-point events ) > then > System.out.println("Vergessene Herdplatte erkannt!"); > > end > > If I comment one of the not-clause out, it works. > I created an unit-test > http://drools.46999.n3.nabble.com/file/n2821121/TestProject.zip > TestProject.zip which reproduces the exception. > And here the Failure Trace: > > org.drools.RuntimeDroolsException: Unexpected exception executing action > org.drools.reteoo.PropagationQueuingNode$PropagateAction@631b86c7 > at > > org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1473) > at > org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:182) > at > org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:145) > at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:96) > at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:44) > at com.sample.FusionTest.testRule(FusionTest.java:79) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44) > at > > org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) > at > > org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41) > at > > org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) > at > > org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79) > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71) > at > > org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49) > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193) > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52) > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191) > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42) > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184) > at > > org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) > at org.junit.runners.ParentRunner.run(ParentRunner.java:236) > at > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49) > at > > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > Caused by: java.lang.NullPointerException > at > > org.drools.time.impl.CompositeMaxDurationTimer.createTrigger(CompositeMaxDurationTimer.java:58) > at org.drools.common.Scheduler.scheduleAgendaItem(Scheduler.java:55) > at > org.drools.common.DefaultAgenda.scheduleItem(DefaultAgenda.java:314) > at > > org.drools.reteoo.RuleTerminalNode.assertLeftTuple(RuleTerminalNode.java:185) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:78) > at org.drools.reteoo.NotNode.assertLeftTuple(NotNode.java:101) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:78) > at org.drools.reteoo.NotNode.assertLeftTuple(NotNode.java:101) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:189) > at > > org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:64) > at org.drools.reteoo.JoinNode.assertObject(JoinNode.java:128) > at > > org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59) > at > > org.drools.reteoo.PropagationQueuingNode$AssertAction.execute(PropagationQueuingNode.java:347) > at > > org.drools.reteoo.PropagationQueuingNode.propagateActions(PropagationQueuingNode.java:229) > at > > org.drools.reteoo.PropagationQueuingNode$PropagateAction.execute(PropagationQueuingNode.java:443) > at > > org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1471) > ... 29 more > > > Can anybody please help me. > > Thanks in advance. > Armin > > > > -- > View this message in context: > http://drools.46999.n3.nabble.com/Problem-with-rule-Unexpected-exception-executing-action-org-drools-reteoo-PropagationQueuingNode-Pro7-tp2821121p2821121.html > Sent from the Drools: User forum mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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