IBM Support

IT37391: MQNPM_CLASS_HIGH MESSAGES MAY BE INVISIBLE IF QUEUE MANAGER IS RESTARTED BETWEEN AN MQI CALL AND END OF A GLOBAL TRANSACTION.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • MQNPM_CLASS_HIGH messages may be invisible if queue manager is
    restarted between MQGET and ABORTTRANSACTION or MQPUT and
    ENDTRANSACTION sequence until it is restarted again.
    

Local fix

  • Restart the queue manager.
    

Problem summary

  • During the restart of the queue manager, transactionally
    unfinished messages were not reloaded into the newly started
    amqcache processes.
    

Problem conclusion

  • The product has been changed to accommodate such scenarios.
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.1       8.1.0.8
    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

  • Restart the queue manager while no global transactions using
    the queue manager are still running.
    

Comments

APAR Information

  • APAR number

    IT37391

  • Reported component name

    MQ FOR HPE NS O

  • Reported component ID

    5724A3904

  • Reported release

    810

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-06-23

  • Closed date

    2021-06-23

  • Last modified date

    2021-06-23

  • 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

    MQ FOR HPE NS O

  • Fixed component ID

    5724A3904

Applicable component levels

  • R810 PSY

       UP

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Document Information

Modified date:
05 November 2021