[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1926) Exception when comparing values in map using variables

[Mark Proctor (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBRULES-1926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor closed JBRULES-1926.
---------------------------------

    Fix Version/s: 5.0.0.CR1
       Resolution: Done


> Exception when comparing values in map using variables
> ------------------------------------------------------
>
>                 Key: JBRULES-1926
>                 URL: https://jira.jboss.org/jira/browse/JBRULES-1926
>             Project: JBoss Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-compiler
>    Affects Versions:  5.0.0.M4
>         Environment: java 1.5 Drools trunk
>            Reporter: Joe White
>            Assignee: Mark Proctor
>             Fix For: 5.0.0.CR1
>
>
> See testListOfMaps in the MiscTest object in drools-compiler
> org.drools.RuntimeDroolsException: Exception executing predicate org.drools.base.mvel.MVELPredicateExpression at 1be16f5
> 	at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:298)
> 	at org.drools.common.SingleBetaConstraints.isAllowedCachedLeft(SingleBetaConstraints.java:138)
> 	at org.drools.reteoo.FromNode.evaluateAndPropagate(FromNode.java:152)
> 	at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:104)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:120)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:28)
> 	at org.drools.reteoo.FromNode.evaluateAndPropagate(FromNode.java:156)
> 	at org.drools.reteoo.FromNode.assertLeftTuple(FromNode.java:104)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.doPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:120)
> 	at org.drools.reteoo.SingleLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(SingleLeftTupleSinkAdapter.java:81)
> 	at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:142)
> 	at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:42)
> 	at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:183)
> 	at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:146)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:1002)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:970)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:740)
> 	at com.sample.TestListOfMaps.testInnerString(TestListOfMaps.java:39)
> 	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:168)
> 	at junit.framework.TestCase.runBare(TestCase.java:134)
> 	at junit.framework.TestResult$1.protect(TestResult.java:110)
> 	at junit.framework.TestResult.runProtected(TestResult.java:128)
> 	at junit.framework.TestResult.run(TestResult.java:113)
> 	at junit.framework.TestCase.run(TestCase.java:124)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:232)
> 	at junit.framework.TestSuite.run(TestSuite.java:227)
> 	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)
> 	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
> 	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)
> Caused by: [Error: this['MSG']]
> [Near : {... Unknown ....}]
>              ^
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:322)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:134)
> 	at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:127)
> 	at org.mvel2.MVELRuntime.execute(MVELRuntime.java:91)
> 	at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:101)
> 	at org.mvel2.MVEL.executeExpression(MVEL.java:1077)
> 	at org.drools.base.extractors.MVELClassFieldReader.getValue(MVELClassFieldReader.java:94)
> 	at org.drools.base.ClassFieldReader.getValue(ClassFieldReader.java:90)
> 	at org.drools.rule.Declaration.getValue(Declaration.java:244)
> 	at org.drools.base.mvel.DroolsMVELPreviousDeclarationVariable.getValue(DroolsMVELPreviousDeclarationVariable.java:52)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getBeanProperty(ReflectiveAccessorOptimizer.java:374)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:282)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:134)
> 	at org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:127)
> 	at org.mvel2.ast.BinaryOperation.getReducedValueAccelerated(BinaryOperation.java:81)
> 	at org.mvel2.MVELRuntime.execute(MVELRuntime.java:91)
> 	at org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:101)
> 	at org.mvel2.MVEL.executeExpression(MVEL.java:1025)
> 	at org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:75)
> 	at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:291)
> 	... 36 more
> Caused by: java.lang.NullPointerException
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getCollectionProperty(ReflectiveAccessorOptimizer.java:530)
> 	at org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:288)
> 	... 55 more

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