[jboss-jira] [JBoss JIRA] (DROOLS-1584) Null pointer Exception while Scanner trying to pull updates from Kie Workbench

[Dhamodharan Krishnan (JIRA)]

    [ https://issues.jboss.org/browse/DROOLS-1584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13416828#comment-13416828 ] 

Dhamodharan Krishnan commented on DROOLS-1584:
----------------------------------------------

Its thrown in the KieServer instance. Let me try to get you the configuration of a sample project and also the KieServer instance configurations.

> Null pointer Exception while Scanner trying to pull updates from Kie Workbench
> ------------------------------------------------------------------------------
>
>                 Key: DROOLS-1584
>                 URL: https://issues.jboss.org/browse/DROOLS-1584
>             Project: Drools
>          Issue Type: Bug
>          Components: kie server
>    Affects Versions: 6.5.0.Final
>         Environment: Mac.
>            Reporter: Dhamodharan Krishnan
>            Assignee: Mario Fusco
>
> May 25, 2017 10:07:34 PM org.drools.compiler.kie.builder.impl.KieRepositoryImpl addKieModule
> INFO: KieModule was added: ZipKieModule[releaseId=com.mycompany.module:project:2.0-SNAPSHOT,file=/Users/dhamo/.m2/repository/com/mycompany/module/project/2.0-SNAPSHOT/project-2.0-SNAPSHOT.jar]
> Exception in thread "Timer-0" java.lang.NullPointerException
> 	at org.drools.core.reteoo.BetaMemory.linkNode(BetaMemory.java:93)
> 	at org.drools.core.reteoo.BetaMemory.linkNode(BetaMemory.java:88)
> 	at org.drools.core.reteoo.SingleObjectSinkAdapter.staticDoLinkRiaNode(SingleObjectSinkAdapter.java:104)
> 	at org.drools.core.reteoo.SingleObjectSinkAdapter.doLinkRiaNode(SingleObjectSinkAdapter.java:86)
> 	at org.drools.core.reteoo.RiaPathMemory.doLinkRule(RiaPathMemory.java:50)
> 	at org.drools.core.reteoo.PathMemory.linkSegment(PathMemory.java:102)
> 	at org.drools.core.reteoo.SegmentMemory.notifyRuleLinkSegment(SegmentMemory.java:192)
> 	at org.drools.core.phreak.AddRemoveRule.addNewPaths(AddRemoveRule.java:459)
> 	at org.drools.core.phreak.AddRemoveRule.addRule(AddRemoveRule.java:126)
> 	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:190)
> 	at org.drools.core.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:133)
> 	at org.drools.core.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:106)
> 	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1586)
> 	at org.drools.core.impl.KnowledgeBaseImpl.addRule(KnowledgeBaseImpl.java:1566)
> 	at org.drools.compiler.builder.impl.KnowledgeBuilderImpl.compileAllRules(KnowledgeBuilderImpl.java:1004)
> 	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildRules(CompositeKnowledgeBuilderImpl.java:264)
> 	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.buildPackages(CompositeKnowledgeBuilderImpl.java:122)
> 	at org.drools.compiler.builder.impl.CompositeKnowledgeBuilderImpl.build(CompositeKnowledgeBuilderImpl.java:105)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl.rebuildAll(KieContainerImpl.java:449)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl.updateKBase(KieContainerImpl.java:311)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl.access$000(KieContainerImpl.java:88)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl$1.run(KieContainerImpl.java:255)
> 	at org.drools.core.impl.KnowledgeBaseImpl.enqueueModification(KnowledgeBaseImpl.java:735)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl.update(KieContainerImpl.java:252)
> 	at org.drools.compiler.kie.builder.impl.KieContainerImpl.updateDependencyToVersion(KieContainerImpl.java:218)
> 	at org.kie.scanner.KieRepositoryScannerImpl.updateKieModule(KieRepositoryScannerImpl.java:317)
> 	at org.kie.scanner.KieRepositoryScannerImpl.scanNow(KieRepositoryScannerImpl.java:298)
> 	at org.kie.scanner.KieRepositoryScannerImpl$ScanTask.run(KieRepositoryScannerImpl.java:270)
> 	at java.util.TimerThread.mainLoop(Timer.java:555)
> 	at java.util.TimerThread.run(Timer.java:505)



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