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  1. Red Hat Decision Manager
  2. RHDM-1066

NullPointerException at org.drools.core.phreak.SegmentUtilities.createChildSegments with a removed rule in updateToVersion

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Details

    • Bug
    • Resolution: Done
    • Major
    • 7.5.0.GA
    • 7.4.1.GA
    • BRE
    • CR1
    • +
    • 2019 Week 35-37

    Description

      After an updateToVersion where a rule is removed from the KieBase,
      fireAllRules fails with the exception below.

      Note: This happens with versions 6.4.0.Final-redhat-6 and later
      (including latest master)

      The following commit seems to be causing the NPE:
      https://issues.jboss.org/browse/DROOLS-1147
      https://github.com/kiegroup/drools/commit/8897a8dcccce10a93803d7073ecf499f3d4656ec

      java.lang.NullPointerException
	at org.drools.core.phreak.SegmentUtilities.createChildSegments(SegmentUtilities.java:305)
	at org.drools.core.reteoo.LeftInputAdapterNode.doInsertObject(LeftInputAdapterNode.java:185)
	at org.drools.core.reteoo.LeftInputAdapterNode.assertObject(LeftInputAdapterNode.java:169)
	at org.drools.core.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:63)
	at org.drools.core.reteoo.ObjectTypeNode.propagateAssert(ObjectTypeNode.java:304)
	at org.drools.core.phreak.PropagationEntry$Insert.execute(PropagationEntry.java:120)
	at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:82)
	at org.drools.core.phreak.SynchronizedPropagationList.flush(SynchronizedPropagationList.java:77)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.flushPropagations(StatefulKnowledgeSessionImpl.java:2044)
	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1334)
	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1288)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1333)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1324)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1305)
	at CreateChildSegmentNpeTest.fireAllRules(CreateChildSegmentNpeTest.java:91)
	at CreateChildSegmentNpeTest.reproducer(CreateChildSegmentNpeTest.java:126)

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          Bug - A problem that impairs or prevents the functions of the product. DROOLS-4454 NullPointerException at org.drools.core.phreak.SegmentUtilities.createChildSegments with a removed rule in updateToVersion

          • 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

          Activity

            People

              mfusco@redhat.com Mario Fusco
              rhn-support-mputz Martin Weiler (Inactive)
              Tibor Zimányi Tibor Zimányi
              Tibor Zimányi Tibor Zimányi
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              Dates

                Created:
                Updated:
                Resolved: