IBM Support

IC77299: UNMANAGED .NET CLIENT ON 64BIT WINDOWS CANNOT SUBSCRIBE TO TOPIC

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When attempting to subscribe to a topic on a 64bit Windows
    machine using an unmanaged .NET client, the subscription fails
    with the following exception (or similar):
    XMSException caught: IBM.XMS.IllegalStateException: Failed to
    register callback using MQCB for destination
    xmstest.XMSWMQ0020.explanation
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users attempting to subscribe to a topic using an unmanaged .Net
    client on 64bit Windows.
    
    Platforms affected:
    Windows
    
    ****************************************************************
    PROBLEM SUMMARY:
    WebSphere MQ C Client incorrectly expected a 64bit pointer, but
    received a 32bit pointer from the .NET client.
    

Problem conclusion

  • WebSphere MQ code fix. The .net sample, SampleConsumerCS.exe
    will successfully subscribe to a topic in unmanaged mode.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
                       v7.0
    Platform           Fix Pack 7.0.1.7
    --------           --------------------
    Windows            U200333
    
    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

    IC77299

  • Reported component name

    WMQ WINDOWS V7

  • Reported component ID

    5724H7220

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-07-01

  • Closed date

    2011-08-09

  • Last modified date

    2013-11-13

  • 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 WINDOWS V7

  • Fixed component ID

    5724H7220

Applicable component levels

  • R701 PSY

       UP

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Document Information

Modified date:
18 September 2021