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PH31182: LOOP WHEN TRYING TO DELETE THE FIRST MESSAGE IN THE QUEUE.

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APAR status

  • Closed as program error.

Error description

  • SIBus JMS destinations accumulate expired messages.
    The expirer is looping trying to delete the first message in
    the queue. This behaviour is brought about because the first
    message appears to be locked in a long running internal
    transaction.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server                                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: The message expiry processor fails, so  *
    *                      expired messages accumulate.            *
    *                      FFDC:                                   *
    *                      com.ibm.ws.sib.msgstore.gbs.OptimisticD *
    *                      ep                                      *
    *                      thException                             *
    ****************************************************************
    * RECOMMENDATION:  This problem is unlikely to recur after the *
    *                  message processor has been stopped and      *
    *                  restarted. If it does apply the fix.        *
    ****************************************************************
    The following stack trace will be seen in a n FFDC.
    Exception:com.ibm.ws.sib.msgstore.MessageStoreRuntimeException
    SourceId:com.ibm.ejs.util.am._Alarm.run ProbeId:95
    Reporter:com.ibm.ejs.util.am._Alarm@2620b3b3
    com.ibm.ws.sib.msgstore.MessageStoreRuntimeException:
    CWSIS2001E: The expiry daemon ended abnormally due to an
    unexpected exception:
    com.ibm.ws.sib.msgstore.gbs.OptimisticDepthException:
    maxDepth(47) exceeded. Depth is 48.
    at
    com.ibm.ws.sib.msgstore.expiry.Expirer.alarm(Expirer.java:598)
    at com.ibm.ejs.util.am._Alarm.runImpl(_Alarm.java:151)
    at com.ibm.ejs.util.am._Alarm.run(_Alarm.java:136)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1909)
    Caused by:
    com.ibm.ws.sib.msgstore.gbs.OptimisticDepthException:
    maxDepth (47) exceeded. Depth is 48. at
    com.ibm.ws.sib.msgstore.gbs.NodeStack.push(NodeStack.java:155)
    at
    com.ibm.ws.sib.msgstore.gbs.NodeStack.push(NodeStack.java:143)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.nextNode(GBSIterator.ja
    va:704)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.internalGetNext(GBSIter
    ator.java:656)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.pessimisticGetNext(GBSI
    terator.java:613)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.findNextBeforeEof(GBSIt
    erator.java:411)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.findNext(GBSIterator.ja
    va:381)
    at
    com.ibm.ws.sib.msgstore.gbs.GBSIterator.next(GBSIterator.java:7
    51)
    at
    com.ibm.ws.sib.msgstore.expiry.ExpiryIndex.next(ExpiryIndex.jav
    a:151)
    at
    com.ibm.ws.sib.msgstore.expiry.Expirer.alarm(Expirer.java:526)
    

Problem conclusion

Temporary fix

Comments

APAR Information

  • APAR number

    PH31182

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-11-02

  • Closed date

    2021-06-08

  • Last modified date

    2021-06-08

  • 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

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU029","label":"Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"900"}]

Document Information

Modified date:
09 June 2021