APAR status
Closed as program error.
Error description
When generating a Ruleset archive in Rule Designer, there is a NullPointerException thrown due to the declaration of this kind of methods: public void method(E<? extends C<?, ?>> param) with a generic class C declared as public class C<T extends D<T, S>, S> The following stacktrace could be found in the log !ENTRY ilog.rules.studio.shared !MESSAGE An error occurred during the export of the ruleset archive. !STACK 0 com.ibm.rules.container.EngineOutlineSerializationException: java.lang.NullPointerException at com.ibm.rules.container.EnginePackageOpenXMLProducer.writeJa r(EnginePackageOpenXMLProducer.java:269) at com.ibm.rules.container.EnginePackageOpenXMLProducer.writeJa r(EnginePackageOpenXMLProducer.java:277) at com.ibm.rules.container.EngineOutlineSerializer.writeJar(Eng ineOutlineSerializer.java:48) at com.ibm.rules.studio.rve.builder.RVERulesetArchiveExporter.s erializeEngineOutline(RVERulesetArchiveExporter.java:743) at com.ibm.rules.studio.rve.builder.RVERulesetArchiveExporter.e xport(RVERulesetArchiveExporter.java:432) at com.ibm.rules.studio.decisionservice.SDsRVERulesetArchiveExp orter.export(SDsRVERulesetArchiveExporter.java:134) at ilog.rules.studio.model.archive.internal.RulesetArchiveExpor tJob.run(RulesetArchiveExportJob.java:65) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56) Caused by: java.lang.NullPointerException at com.ibm.rules.engine.lang.semantics.util.generics.SemGeneric Parameters.hashCode(SemGenericParameters.java:74) at java.util.HashMap.hash(HashMap.java:350) at java.util.HashMap.get(HashMap.java:568) at com.ibm.rules.engine.lang.semantics.impl.GenericInstanceStor e.getInstance(GenericInstanceStore.java:143) at com.ibm.rules.engine.lang.semantics.impl.GenericInstanceStor e.getInstance(GenericInstanceStore.java:139) at com.ibm.rules.engine.lang.semantics.impl.SemNativeGenericCla ssImpl.bindGenericParameters(SemNativeGenericClassImpl.java:123) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.mapNativeType(SemJava5GenericBinding.java:253) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.bindTypeVariable(SemJava5GenericBinding.java:358) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.getNativeGenericClass(SemJava5GenericBinding.java:111) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.mapNativeType(SemJava5GenericBinding.java:251) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.mapWildcardType(SemJava5GenericBinding.java:300) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.mapNativeType(SemJava5GenericBinding.java:264) at com.ibm.rules.engine.lang.semantics.java.SemJava5GenericBind ing.mapNativeType(SemJava5GenericBinding.java:249) at com.ibm.rules.engine.lang.semantics.java.SemJava5Binding.map Parameters(SemJava5Binding.java:581) at com.ibm.rules.engine.lang.semantics.java.SemJava5Binding.cre ateMethod(SemJava5Binding.java:555) at com.ibm.rules.engine.lang.semantics.java.SemJava5Binding.cre ateMethods(SemJava5Binding.java:422) at com.ibm.rules.engine.lang.semantics.impl.SemNativeClassImpl$ NativeInfo.createMethods(SemNativeClassImpl.java:129) at com.ibm.rules.engine.lang.semantics.impl.SemNativeClassImpl. loadMethods(SemNativeClassImpl.java:240) at com.ibm.rules.engine.lang.semantics.impl.SemAbstractLazyLoad ingClass.getMethods(SemAbstractLazyLoadingClass.java:139) at com.ibm.rules.engine.lang.semantics.SemClassExtra.computeAll Methods(SemClassExtra.java:377) at com.ibm.rules.engine.lang.semantics.SemClassExtra.getAllMeth ods(SemClassExtra.java:324) at com.ibm.rules.engine.lang.semantics.SemClassExtra.getMatchin gMethods(SemClassExtra.java:529) at com.ibm.rules.engine.lang.semantics.SemClassExtra.getMatchin gMethod(SemClassExtra.java:483) at com.ibm.rules.engine.lang.semantics.SemClassExtra.getMatchin gMethod(SemClassExtra.java:477) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.getMethod(CkgMemberDeclarationChecker.java:978) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.lookForXOMMethod(CkgMemberDeclarationChecker.java:520) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.checkMethod(CkgMemberDeclarationChecker.java:750) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.visitMembers(CkgMemberDeclarationChecker.java:188) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.visit(CkgMemberDeclarationChecker.java:159) at com.ibm.rules.engine.b2x.checking.CkgMemberDeclarationChecke r.visit(CkgMemberDeclarationChecker.java:48) at com.ibm.rules.engine.lang.semantics.impl.SemClassImpl.accept (SemClassImpl.java:585) at com.ibm.rules.engine.b2x.checking.CkgB2XChecker.processMembe rDeclarations(CkgB2XChecker.java:225) at com.ibm.rules.engine.b2x.transform.B2XMainLangTransformer.tr ansformMemberDeclarations(B2XMainLangTransformer.java:135) at com.ibm.rules.engine.lang.semantics.transform.SemMainLangTra nsformer.transformObjectModel(SemMainLangTransformer.java:252) at com.ibm.rules.engine.outline.B2XModelTranslator$B2XRewriter. transform(B2XModelTranslator.java:355) at com.ibm.rules.engine.outline.EngineOutlineImpl.applyModelRew riters(EngineOutlineImpl.java:450) at com.ibm.rules.engine.outline.EngineOutlineImpl.applyModelRew riters(EngineOutlineImpl.java:425) at com.ibm.rules.engine.outline.EngineOutlineImpl.writeJarInStr eam(EngineOutlineImpl.java:543) at com.ibm.rules.container.EnginePackageOpenXMLProducer.writeJa r(EnginePackageOpenXMLProducer.java:262) ... 7 more
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * Rule Designer users. * **************************************************************** * PROBLEM DESCRIPTION: * * In some cases, generic generation throws * * nullpointerexception. * **************************************************************** * RECOMMENDATION: * ****************************************************************
Problem conclusion
The code was fixed.
Temporary fix
Comments
APAR Information
APAR number
RS03821
Reported component name
WDS FOR RULES
Reported component ID
5725B6903
Reported release
8A0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-07-15
Closed date
2021-08-25
Last modified date
2021-08-25
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WDS FOR RULES
Fixed component ID
5725B6903
Applicable component levels
[{"Business Unit":{"code":"BU029","label":"Software"},"Product":{"code":"SS9TUK","label":"IBM Decision Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8A0"}]
Document Information
Modified date:
21 September 2023