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  1. Drools
  2. DROOLS-2495

NullPointerException in Declaration.getHashCode() when getter in LHS and serialize/deserialize package

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Details

    • Bug
    • Resolution: Done
    • Major
    • None
    • 7.7.0.Final
    • core engine

    Description

      Under the condition:

      • A rule uses a getter method in LHS. e.g. "Cheese(type == $p.getName())"
      • A package is serialized/deserialized

      executing the rule throws NullPointerException.

      java.lang.NullPointerException: null
	at org.drools.core.rule.Declaration.getHashCode(Declaration.java:267)
	at org.drools.core.util.AbstractHashTable$FieldIndex.hashCodeOf(AbstractHashTable.java:333)
	at org.drools.core.util.AbstractHashTable$SingleIndex.hashCodeOf(AbstractHashTable.java:397)
	at org.drools.core.util.index.TupleIndexHashTable.getOrCreate(TupleIndexHashTable.java:392)
	at org.drools.core.util.index.TupleIndexHashTable.add(TupleIndexHashTable.java:358)
	at org.drools.core.phreak.PhreakJoinNode.doLeftInserts(PhreakJoinNode.java:95)
	at org.drools.core.phreak.PhreakJoinNode.doNode(PhreakJoinNode.java:71)
	at org.drools.core.phreak.RuleNetworkEvaluator.switchOnDoBetaNode(RuleNetworkEvaluator.java:552)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalBetaNode(RuleNetworkEvaluator.java:538)
	at org.drools.core.phreak.RuleNetworkEvaluator.evalNode(RuleNetworkEvaluator.java:373)
	at org.drools.core.phreak.RuleNetworkEvaluator.innerEval(RuleNetworkEvaluator.java:333)
	at org.drools.core.phreak.RuleNetworkEvaluator.outerEval(RuleNetworkEvaluator.java:169)
	at org.drools.core.phreak.RuleNetworkEvaluator.evaluateNetwork(RuleNetworkEvaluator.java:127)
	at org.drools.core.phreak.RuleExecutor.reEvaluateNetwork(RuleExecutor.java:212)
	at org.drools.core.phreak.RuleExecutor.evaluateNetworkAndFire(RuleExecutor.java:87)
	at org.drools.core.concurrent.AbstractRuleEvaluator.internalEvaluateAndFire(AbstractRuleEvaluator.java:34)
	at org.drools.core.concurrent.SequentialRuleEvaluator.evaluateAndFire(SequentialRuleEvaluator.java:43)
	at org.drools.core.common.DefaultAgenda.fireLoop(DefaultAgenda.java:1067)
	at org.drools.core.common.DefaultAgenda.internalFireAllRules(DefaultAgenda.java:1014)
	at org.drools.core.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1006)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.internalFireAllRules(StatefulKnowledgeSessionImpl.java:1315)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1306)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:1290)
	at org.drools.compiler.integrationtests.SerializedPackageMergeTest.testBuildAndSerializePackagesWithGetterInLHS(SerializedPackageMergeTest.java:220)

      Attachments

        Issue Links

          is incorporated by

          Bug - A problem that impairs or prevents the functions of the product. RHBRMS-3098 [GSS] (6.4.z) NullPointerException in Declaration.getHashCode() when getter in LHS and serialize/deserialize package

          • 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

          Bug - A problem that impairs or prevents the functions of the product. RHDM-605 [GSS] (7.0.z) NullPointerException in Declaration.getHashCode() when getter in LHS and serialize/deserialize package

          • 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

          Bug - A problem that impairs or prevents the functions of the product. RHDM-609 NullPointerException in Declaration.getHashCode() when getter in LHS and serialize/deserialize package

          • 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

          Bug - A problem that impairs or prevents the functions of the product. RHPAM-906 NullPointerException in Declaration.getHashCode() when getter in LHS and serialize/deserialize package

          • 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-tkobayas Toshiya Kobayashi
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              1 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: