IBM Support

IT21997: Queue manager fails to start, reporting object damaged, FDC AL008080

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APAR status

  • Closed as program error.

Error description

  • A queue manager is started, and terminates shortly thereafter.
    A failure data capture (FDC) record is generated, and a summary
    of it is as follows:
    Probe Id          :- AL008080
    Component         :- almPerformReDoPass
    Program Name      :- amqzxma0
    Major Errorcode   :- arcW_OBJECT_WOUNDED
    Probe Description :- AMQ7472: Object , type  damaged.
    
    MQM Function Stack
    amqzxma0
    zxcExecutionController
    zxcStartupLogic
    kpiStartup
    apiStartup
    almPerformReDoPass
    xcsFFST
    Reviewing the FDC further shows that a GHOST queue is being
    reported as damaged.
    
    The FDCs summary likely to show damaged object followed by
    errors when acquiring and/or releasing the queue handle.
    
    2017/07/16 06:59:56.813462+7158 8.0.0.6 Installation1 amqzxma0
    9416 1 AL008080 almPerformReDoPass      arcW_OBJECT_WOUNDED OK
    AMQ7472: Object , type  damaged.
    2017/07/16 06:59:57.848024+7158 8.0.0.6 Installation1 amqzxma0
    9416 1 XC307096 xlsRequestMutex         STOP
    2017/07/16 06:59:57.869349+7158 8.0.0.6 Installation1 amqzxma0
    9416 1 AO175000 aouLockQHandle          STOP
    2017/07/16 06:59:57.891031+7158 8.0.0.6 Installation1 amqzxma0
    9416 1 XC308005 xlsReleaseMutex         xecL_E_NOT_OWNER
    2017/07/16 06:59:57.911959+7158 8.0.0.6 Installation1 amqzxma0
    9416 1 AO176000 aouUnlockQHandle        xecL_E_NOT_OWNER
    

Local fix

  • Restoring the deleted queue file from backup is likely to
    resolve the queue manager startup problem.
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users deleting queue files associated with dynamic queues
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    This problem occurred because the queue manager detected a
    missing object associated with a dynamic queue, but the queue
    manager did not handle this error correctly, particularly
    releasing the lock associated with the dynamic queue. This
    resulted in failure in the queue manager startup.
    

Problem conclusion

  • The MQ queue manager code has been modified to correctly handle
    the object damage error because of missing queue files
    associated with dynamic queues.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.8
    v9.0 CD    9.0.4
    v9.0 LTS   9.0.0.3
    
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT21997

  • Reported component name

    WMQ BASE MULTIP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-08-12

  • Closed date

    2017-08-18

  • Last modified date

    2017-12-04

  • 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

    WMQ BASE MULTIP

  • Fixed component ID

    5724H7251

Applicable component levels

  • R800 PSY

       UP

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Document Information

Modified date:
04 December 2017