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  1. JBoss BRMS Platform
  2. RHBRMS-2588

NPE caused by forced flushing of unlinked path in stream mode

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Details

    • Bug
    • Resolution: Done
    • Major
    • 6.4.0
    • None
    • None
    • None
    • ER3

    Description

      In stream mode it is necessary to enforce flushing of path memories. However doing this on an unlinked path is a waste of time and moreover can causes a NPE in presence of a subnetwork like the following:

      java.lang.NullPointerException
	at org.drools.core.phreak.RuleNetworkEvaluator.deleteChildLeftTuple(RuleNetworkEvaluator.java:725)
	at org.drools.core.phreak.RuleNetworkEvaluator.unlinkAndDeleteChildLeftTuple(RuleNetworkEvaluator.java:718)
	at org.drools.core.phreak.PhreakJoinNode.doLeftDeletes(PhreakJoinNode.java:418)
	at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:47)
	at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:519)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:505)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)
	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)
	at org.drools.core.phreak.RuleNetworkEvaluator.doRiaNode(RuleNetworkEvaluator.java:573)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:500)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:341)
	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:301)
	at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:136)
	at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:94)
	at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:194)
	at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:73)
	at org.drools.core.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:969)
	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1311)
	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1250)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1356)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1347)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1328)

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          Bug - A problem that impairs or prevents the functions of the product. DROOLS-1285 NPE caused by forced flushing of unlinked path in stream mode

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Closed
          is duplicated by

          Bug - A problem that impairs or prevents the functions of the product. RHBRMS-2585 [GSS] NPE caused by forced flushing of unlinked path in stream mode

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Verified

          Activity

            People

              mfusco@redhat.com Mario Fusco
              mfusco@redhat.com Mario Fusco
              Archiver:
              rhn-support-ceverson Clark Everson
              Tibor Zimányi Tibor Zimányi
              Tibor Zimányi Tibor Zimányi

              Dates

                Created:
                Updated:
                Resolved:
                Archived:

                PagerDuty