Re: [rules-users] Error on access variable in workingmemorylogger

This may be http://jira.jboss.org/jira/browse/JBRULES-1415 cheers Steve On Wed, Apr 9, 2008 at 5:37 PM, vdelbart <delbart.v(a)mipih.fr&gt; wrote: > > Hello, > > I have an error on WorkingMemoryLogger with this rule : > > package example > import mcmipih.rules.demo.model.*; > global Param param; > > rule "Your Third Rule" > dialect "mvel" > when > Param( iep : IEP ) from param > then > System.out.println("Iep de param " + iep); > end > > The error : > > java.lang.NullPointerException > at > > org.drools.base.mcmipih.rules.demo.model.Param22676229$getIEP.getValue(Unknown > Source) > at > org.drools.base.ClassFieldExtractor.getValue(ClassFieldExtractor.java:127) > at org.drools.rule.Declaration.getValue(Declaration.java:198) > at > > org.drools.audit.WorkingMemoryLogger.extractDeclarations(WorkingMemoryLogger.java:265) > at > > org.drools.audit.WorkingMemoryLogger.activationCreated(WorkingMemoryLogger.java:199) > at > > org.drools.event.AgendaEventSupport.fireActivationCreated(AgendaEventSupport.java:75) > at > org.drools.reteoo.RuleTerminalNode.assertTuple(RuleTerminalNode.java:331) > at > org.drools.reteoo.RuleTerminalNode.assertTuple(RuleTerminalNode.java:137) > at > > org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:20) > at org.drools.reteoo.FromNode.assertTuple(FromNode.java:90) > at > > org.drools.reteoo.SingleTupleSinkAdapter.createAndPropagateAssertTuple(SingleTupleSinkAdapter.java:55) > at > > org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:116) > at > > org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:22) > at > org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:153) > at org.drools.reteoo.Rete.assertObject(Rete.java:175) > at > org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:192) > at > > org.drools.reteoo.ReteooWorkingMemory$WorkingMemoryReteAssertAction.execute(ReteooWorkingMemory.java:179) > at > > org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:1315) > at > > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:462) > at > > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:433) > at > > execute.ExecReglesWorkingMemory.testExecReglesWorkingMemory(ExecReglesWorkingMemory.java:107) > 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:585) > at junit.framework.TestCase.runTest(TestCase.java:154) > at junit.framework.TestCase.runBare(TestCase.java:127) > at junit.framework.TestResult$1.protect(TestResult.java:106) > at junit.framework.TestResult.runProtected(TestResult.java:124) > at junit.framework.TestResult.run(TestResult.java:109) > at junit.framework.TestCase.run(TestCase.java:118) > at > > org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128) > at > > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) > > > The workingmemorylogger wants to show the value of the variable iep even > if > my 'param' is not present in the working memory ! > > Is it a bug ? > > thanks for your help, > > regards, > > V. > > > > > > > > -- > View this message in context: > http://www.nabble.com/Error-on-access-variable-in-workingmemorylogger-tp1... > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > -- Steven Williams Supervising Consultant Object Consulting Office: 8615 4500 Mob: 0439 898 668 Fax: 8615 4501 steven.williams(a)objectconsulting.com.au www.objectconsulting.com.au consulting | development | training | support our experience makes the difference _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users