[jboss-jira] [JBoss JIRA] (DROOLS-2171) NullPointerException in drools core

Edson Tirelli (JIRA) issues at jboss.org
Tue Jan 16 08:31:00 EST 2018


    [ https://issues.jboss.org/browse/DROOLS-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13517675#comment-13517675 ] 

Edson Tirelli commented on DROOLS-2171:
---------------------------------------

Can you please provide more information and a reproducer? 

> NullPointerException in drools core 
> ------------------------------------
>
>                 Key: DROOLS-2171
>                 URL: https://issues.jboss.org/browse/DROOLS-2171
>             Project: Drools
>          Issue Type: Bug
>            Reporter: Yun Lin
>            Assignee: Mario Fusco
>            Priority: Critical
>              Labels: downstream_dependency
>
> After running for a couple hours, it got the follow NPE.
> java.lang.NullPointerException: null
> 	at org.drools.core.common.TupleSetsImpl.setNextTuple(TupleSetsImpl.java:349) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.common.TupleSetsImpl.removeUpdate(TupleSetsImpl.java:205) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.common.TupleSetsImpl.addDelete(TupleSetsImpl.java:110) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.SegmentPropagator.processPeerDeletes(SegmentPropagator.java:109) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.SegmentPropagator.processPeers(SegmentPropagator.java:48) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.SegmentPropagator.propagate(SegmentPropagator.java:41) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:347) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:169) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:127) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:212) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:87) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.concurrent.AbstractRuleEvaluator.internalEvaluateAndFire(AbstractRuleEvaluator.java:34) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.concurrent.SequentialRuleEvaluator.evaluateAndFire(SequentialRuleEvaluator.java:43) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1067) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.common.DefaultAgenda.internalFireAllRules(DefaultAgenda.java:1014) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1006) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1320) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1311) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]
> 	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1299) ~[drools-core-7.4.1.Final.jar:7.4.1.Final]



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