[jboss-jira] [JBoss JIRA] Created: (JBRULES-2980) Accumulate function with null check fails

[Joe White (JIRA)]

Accumulate function with null check fails
-----------------------------------------

                 Key: JBRULES-2980
                 URL: https://issues.jboss.org/browse/JBRULES-2980
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
    Affects Versions: 5.2.0.M2
         Environment: Windows Java 5
            Reporter: Joe White
            Assignee: Mark Proctor


When running the rule below the exception below occurs. Works on 5.0.1. Unit test attached


**********************RULE*********************
package accumsTest

import java.util.Map;
import java.util.ArrayList;

dialect "mvel"


rule "Accum test rule"
    salience 155
    when
       
        $episode: Map()
		$commonVisits : ArrayList() from accumulate( Map( $selectedCv : this["KEY"] != null) from $episode, 
            							  init(ArrayList selIns = new ArrayList();),
	                                      action(selIns.addAll($selectedCv);),
										  result(selIns)
										)
		
    then
       	System.out.println("HIT");
        retract($episode);
    end






*******************EXCEPTION********************
java.lang.NullPointerException
	at org.drools.common.ObjectTypeConfigurationRegistry.getObjectTypeConf(ObjectTypeConfigurationRegistry.java:58)
	at org.drools.reteoo.AccumulateNode.evaluateResultConstraints(AccumulateNode.java:598)
	at org.drools.reteoo.AccumulateNode.assertLeftTuple(AccumulateNode.java:181)
	at org.drools.reteoo.CompositeLeftTupleSinkAdapter.doPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:222)
	at org.drools.reteoo.CompositeLeftTupleSinkAdapter.createAndPropagateAssertLeftTuple(CompositeLeftTupleSinkAdapter.java:108)
	at org.drools.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:141)
	at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59)
	at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:185)
	at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:143)
	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:332)
	at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:293)
	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:905)
	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:864)
	at org.drools.impl.StatefulKnowledgeSessionImpl.insert(StatefulKnowledgeSessionImpl.java:251)
	at com.recondotech.droolsTest.AccumTest.testUpdate(AccumTest.java:48)
	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:592)
	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.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
	at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
	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)



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