Bug 1228098 – NPE using no-loop in Sequential Mode

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Bug 1228098 - NPE using no-loop in Sequential Mode

Summary:	NPE using no-loop in Sequential Mode

Status:	VERIFIED

Aliases:	None

Product:	JBoss BRMS Platform 6
Classification:	Retired
Component:	BRE (Show other bugs)
Sub Component:
Version:	6.2.0
Hardware:	Unspecified Unspecified

Priority	unspecified Severity unspecified
Target Milestone:	DR1
Target Release:	6.2.0
Assigned To:	Mario Fusco
QA Contact:	Marek Winkler
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Depends On:
Blocks:	1228552
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Reported:	2015-06-04 04:12 EDT by Mario Fusco
Modified:	2015-10-08 11:07 EDT (History)
CC List:	1 user (show)

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Fixed In Version:
Doc Type:	Bug Fix
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Clones:	1228552 (view as bug list)
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Type:	Bug
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Description Mario Fusco 2015-06-04 04:12:51 EDT

Using no-loop in Sequential Mode causes the following exception:

java.lang.NullPointerException
        at org.drools.core.reteoo.BetaNode.getLeftIterator(BetaNode.java:418)
        at org.drools.core.phreak.PhreakJoinNode.doRightUpdates(PhreakJoinNode.java:287)
        at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:48)
        at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:547)
        at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:533)
        at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:334)
        at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:161)
        at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:116)
        at org.drools.core.phreak.RuleExecutor.evaluateNetwork(RuleExecutor.java:87)
        at org.drools.core.common.DefaultAgenda.evaluateEagerList(DefaultAgenda.java:999)
        at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:954)
        at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1243)
        at org.drools.core.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:950)
        at org.drools.core.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:924)
        at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:256)
        at org.drools.core.impl.StatelessKnowledgeSessionImpl.execute(StatelessKnowledgeSessionImpl.java:364)
        at com.sample.DroolsTest.main(DroolsTest.java:76)

Comment 1 Mario Fusco 2015-06-04 04:15:53 EDT

Fixed by https://github.com/droolsjbpm/drools/commit/89d08fd76

Comment 3 Marek Winkler 2015-10-08 11:07:29 EDT

Verified in BRMS 6.2.0 ER3.

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