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  1. Red Hat Decision Manager
  2. RHDM-566

[GSS] (7.0.z) NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize package

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Details

    • Bug
    • Resolution: Won't Do
    • Major
    • None
    • 7.0.0.GA
    • BRE

    Description

      Platform JIRA for DROOLS-2517

      Under the conditions:

      • A rule uses a method of global variable in LHS. e.g. Person(myUtil.transform(name) == "John-san")
      • A package is serialized
        Serializing the package throws NullPointerException. 
        java.lang.NullPointerException: null
	at org.drools.core.base.BaseClassFieldReader.writeExternal(BaseClassFieldReader.java:196)
	at org.drools.core.base.extractors.MVELObjectClassFieldReader.writeExternal(MVELObjectClassFieldReader.java:72)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at org.drools.core.base.ClassFieldAccessorStore$FieldLookupEntry.writeExternal(ClassFieldAccessorStore.java:384)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at java.util.concurrent.ConcurrentHashMap.writeObject(ConcurrentHashMap.java:1413)
	at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at org.drools.core.base.ClassFieldAccessorStore.writeExternal(ClassFieldAccessorStore.java:61)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at org.drools.core.definitions.impl.KnowledgePackageImpl.writeExternal(KnowledgePackageImpl.java:250)
	at java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at java.util.ArrayList.writeObject(ArrayList.java:762)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
	at org.drools.compiler.integrationtests.SerializedPackageMergeTest.testBuildAndSerializePackagesWithGlobalMethodInLHS(SerializedPackageMergeTest.java:244)

      Attachments

        Issue Links

          clones

          Bug - A problem that impairs or prevents the functions of the product. DROOLS-2517 NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize 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
          incorporates

          Bug - A problem that impairs or prevents the functions of the product. DROOLS-2517 NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize 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
          is cloned by

          Bug - A problem that impairs or prevents the functions of the product. RHBRMS-3099 [GSS] (6.4.z) NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize 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-613 NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize 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-905 NullPointerException in BaseClassFieldReader.writeExternal() when a global method is used in LHS and serialize 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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              Dates

                Created:
                Updated:
                Resolved: