[jboss-jira] [JBoss JIRA] (JBRULES-3390) Drools java.lang.NullPointerException at org.drools.reteoo.RuleTerminalNode

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681976#comment-12681976 ] 

RH Bugzilla Integration commented on JBRULES-3390:
--------------------------------------------------

Geoffrey De Smet <gdesmet at redhat.com> made a comment on [bug 803460|https://bugzilla.redhat.com/show_bug.cgi?id=803460]

Mario fixed and backported the jira issue to 5.3, so it's likely that this issue has been fixed.
Once Mario's bugzilla authorization is ok, he will be able to see this issue and confirm if it's fixed.
                
> Drools java.lang.NullPointerException at org.drools.reteoo.RuleTerminalNode
> ---------------------------------------------------------------------------
>
>                 Key: JBRULES-3390
>                 URL: https://issues.jboss.org/browse/JBRULES-3390
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.3.0.Final
>         Environment: eclipse 3.6, Drools 5.3, jdk1.6.0_25_x64
>            Reporter: Alberto Rugnone
>            Assignee: Mario Fusco
>             Fix For: 5.3.2.Final, 5.4.0.CR1
>
>
> My application has to monitor when a magnetic contact is activated and when it is contact released event has to be retracted. And viceversa. Here is my rule and the big null pointer I have. Any helps will be very appreciated! Thank you a lot!!
>      rule "contact activated vs contact released"	salience 0 no-loop true
>     	when
>     		$contact_activated : Event(type == EventType.CONTACT_ACTIVATED) ||	
>     
>         $contact_released : Event(type == EventType.CONTACT_RELEASED)
>             then
>                
>         	     if($contact_activated!= null) {
>         	     	retract($contact_activated);
>         	     } else {
>         	     	retract($contact_released);
>         	     }
>     end	
> and 
>  I have
>     java.lang.NullPointerException
>     	at org.drools.reteoo.RuleTerminalNode$SortDeclarations.compare(RuleTerminalNode.java:477)
>     	at org.drools.reteoo.RuleTerminalNode$SortDeclarations.compare(RuleTerminalNode.java:473)
>     	at java.util.Arrays.mergeSort(Arrays.java:1270)
>     	at java.util.Arrays.sort(Arrays.java:1210)
>     	at org.drools.reteoo.RuleTerminalNode.<init>(RuleTerminalNode.java:119)
>     	at org.drools.RuleActivationListenerFactory.createActivationListener(RuleActivationListenerFactory.java:21)
>     	at org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:157)
>     	at org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:123)
>     	at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:110)
>     	at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:441)
>     	at org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:821)
>     	at org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:555)
>     	at org.drools.reteoo.ReteooRuleBase.addPackages(ReteooRuleBase.java:458)
>     	at org.drools.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:150)
>     	at it.ipiu.pch.sel.RuleTest.before(RuleTest.java:1272)
>     	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.RunBefores.evaluate(RunBefores.java:27)
>     	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
>     	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
>     	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
>     	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.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)

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.jboss.org/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira