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.
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