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IV25597: TRACE OFF DATE IS INCORRECT IN MQ TRACE GENERATED AND FORMATTED USING AIX TRACE COMMANDS TO FORMAT WEBSPHERE MQ V7 TRACE

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APAR status

  • Closed as program error.

Error description

  • The TRACE OFF date will have incorrect date in the formatted
    MQ  trace captured and formatted using AIX trace commands.
    
    Example:
    
    Trace is collected using the following AIX command:
    trace -j30D,30E -o trace.out
    
    The trace is formatted using this command:
    trcrpt -t /usr/mqm/lib/amqtrc.fmt trace.out > trace.fmt
    
    The TRACE OFF line will show incorrect date(e.g. 1970):
    
    002    49.398488664      75.893241      TRACE OFF channel
    0000 Thu Jan  1 09:00:00 1970
    

Local fix

  • Change the template file by doing the following:
    
      # diff /tmp/amqtrc.fmt /usr/mqm/lib/amqtrc.fmt
      13c13
      <         "TRACE OFF" "channel" $chan TW
      ---
      >         "TRACE OFF" "channel" $chan T4
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users using AIX trace facility to capture MQ trace
    
    Platforms affected:
    AIX
    
    ****************************************************************
    PROBLEM SUMMARY:
    The problem occurred because of T4 used for TRACE OFF in the MQ
    AIX trace template. T4 would give problems in formatting
    traces gathered on 64-bit environment.
    

Problem conclusion

  • MQ trace template has been modified to use TW instead of T4.
    TW will format either 4 or 8 bytes of data depending upon
    whether this is a 32 or 64 bit hook.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
                       v7.0
    Platform           Fix Pack 7.0.1.10
    --------           --------------------
    AIX                U853055
    
                       v7.1
    Platform           Fix Pack 7.1.0.3
    --------           --------------------
    AIX                7.1.0.3
    
    Platform           v7.5
    --------           --------------------
    Multiplatforms     7.5.0.1
    
    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

    IV25597

  • Reported component name

    WMQ AIX V7

  • Reported component ID

    5724H7221

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-08-02

  • Closed date

    2012-09-20

  • Last modified date

    2012-09-20

  • 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 AIX V7

  • Fixed component ID

    5724H7221

Applicable component levels

  • R701 PSY

       UP

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Document Information

Modified date:
31 March 2023