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https://issues.jboss.org/browse/DROOLS-1584?page=com.atlassian.jira.plugi...
]
Mario Fusco commented on DROOLS-1584:
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Please attach a test project reproducing this NPE. It's impossible for me to guess
what's going wrong in your case and investigate this issue without it.
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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