[jbossts-issues] [JBoss JIRA] (JBTM-1017) BASubordinateCrashDuringComplete.txt byteman script causes a NPE exception to be thrown

[Tom Jenkinson (JIRA)]

     [ https://issues.jboss.org/browse/JBTM-1017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tom Jenkinson updated JBTM-1017:
--------------------------------

    Fix Version/s: 4.17.0
                       (was: 5.0.0.M2)
                       (was: 4.16.1)
      Component/s: Testing
                   XTS

    
>  BASubordinateCrashDuringComplete.txt byteman script causes a NPE exception to be thrown
> ----------------------------------------------------------------------------------------
>
>                 Key: JBTM-1017
>                 URL: https://issues.jboss.org/browse/JBTM-1017
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Testing, XTS
>            Reporter: Paul Robinson
>            Assignee: Paul Robinson
>             Fix For: 4.17.0
>
>
> Comment by Amos, which was correct:
> {quote}
> For tracing SubordinateCoordinatorCompletionParticipantStub compensate throw exceptions,
> there are 3 rules in BASubordinateCrashDuringComplete script.
> RULE trace subordinate participant stub compensate with no coordinator
> CLASS com.arjuna.wst11.stub.SubordinateCoordinatorCompletionParticipantStub
> METHOD compensate
> AT THROW 3
> ...
> RULE trace subordinate participant stub compensate with unactivated coordinator
> CLASS com.arjuna.wst11.stub.SubordinateCoordinatorCompletionParticipantStub
> METHOD compensate
> AT THROW 4
> ...
> RULE trace subordinate participant stub compensate with system exception from coordinator
> CLASS com.arjuna.wst11.stub.SubordinateCoordinatorCompletionParticipantStub
> METHOD compensate
> AT THROW 5
> ...
> for SubordinateCoordinatorCompletionParticipantStub.java
> public void compensate() throws FaultedException, WrongStateException, SystemException {...}
> I read from byteman document which has the following describes about AT THROW:
> An AT THROW specifier identifies a throw operation within the trigger method as the trigger point. The throw operation may be qualified by a, possibly package-qualified, typename identifying the lexical type of the thrown exception. If a count N is supplied then the location specifies the Nth textual occurrence of a throw. If the keyword ALL is specified in place of a count then the rule will be triggered at all matching occurrences of a throw.
> I'm not sure about the textual occurrence of a throw. For this compensate method,
> AT THROW 3  => FaultedException
> AT THROW 4  => WrongStateException
> AT THROW 5  => SystemException
> is it right ? but the last throw rule causes NPE when the first booting jboss to run the test.
> I try to changes every AT THROW rule reducing one occurrence, and the test works fine.
> {quote}

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