IBM Support

IT19437: MQRC 2245 (MQRC_INCONSISTENT_UOW) inconsistently returned when using async consume

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APAR status

  • Closed as program error.

Error description

  • Application was using asynchronous consume (MQCTL/MQCB) and its
    message consumer was called with MQRC_INCONSISTENT_UOW a number
    of times before being returned with a a message. The intended
    behaviour in this case would have been to consistently return
    MQRC_INCONSISTENT_UOW.
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users putting a mix of persistent and non persistent
    grouped/segmented messages under syncpoint and getting messages
    using async consume.
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    This problem occurred because of incorrect validation of MQMD
    properties by the MQ queue manager when using asynchronous
    consume.
    

Problem conclusion

  • The IBM MQ queue manager logic has been modified to validate the
    MQMD properties correctly when using asynchronous consume.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.9
    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

    IT19437

  • Reported component name

    WMQ BASE MULTIP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-02-27

  • Closed date

    2017-10-20

  • Last modified date

    2017-10-20

  • 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:
20 October 2017