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

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)