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  1. Drools
  2. DROOLS-1584

Null pointer Exception while Scanner trying to pull updates from Kie Workbench

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Major Major
    • None
    • 6.5.0.Final
    • kie server
    • None

    • Mac.

    • Hide

      Each time I build the Kie Module in the Workbench, the Scanner tries to pull the artifacts from the Workbench. And it fails with this error. I have not seen this in the past.

      Show
      Each time I build the Kie Module in the Workbench, the Scanner tries to pull the artifacts from the Workbench. And it fails with this error. I have not seen this in the past.
    • Workaround Exists
    • Hide

      Restart Kie Server. But affects productivity.

      Show
      Restart Kie Server. But affects productivity.
    • NEW
    • NEW

      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)

              mfusco@redhat.com Mario Fusco
              dhamodharan.krishnan Dhamodharan Krishnan (Inactive)
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                Created:
                Updated:
                Resolved: