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SE46171: WMQ CL PROGRAM FAILED TO EXECUTE STRMQMLSR COMMAND AND THE CL JOB RECEIVED MCH4002 ESCAPE 50 MESSAGE

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APAR status

  • Closed as program error.

Error description

  • WMQ startup CL program failed to execute STRMQMLSR command. At
    the time the CL program received:
    
    MSGMCH4002 ESCAPE 50
    <atprcsattr  0010DC  QP0SRJSM  QSYS   000F
    From Program  . . . . . . . : pmmatprcsattr
    Message . . . . :   Process control space not currently
    associated with existing process..
    
    The AMQERR01.LOG indicated that the RUNMQLSR job started
    correctly at that time. The customer received the FDC with Probe
    Id XC037013 Component xcsExecProgram Arith1 and Arith2 1 0x'1' .
    CPF3C55 for RUNMQLSR job.
    The MCH4002 is due to WMQ trying to query the internal process
    id of the RUNMQLSR job that had already ended.
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    WMQ for IBM i users attempting to issue STRMQMLSR for an already
    started listener.
    
    Platforms affected:
    iSeries
    
    ****************************************************************
    PROBLEM SUMMARY:
    There was a timing window where WMQ could query the internal
    process id of a job which had already ended. This can occur if
    attempting to start a listener that is already started.
    

Problem conclusion

  • WMQ code has been modified to limit the opportunity for a job's
    process id to be queried if it has already ended. Additionally,
    the FDC that is usually logged when this happens has been
    removed to prevent failures in programs that are not monitoring
    for it, such as IBM i CL programs.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
                       v6.0
    Platform           Fix Pack 6.0.2.11
    --------           --------------------
    iSeries            tbc_p600_0_2_11
    
                       v7.0
    Platform           Fix Pack 7.0.1.5
    --------           --------------------
    iSeries            tbc_p700_0_1_5
    
    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

    SE46171

  • Reported component name

    WMQ ISERIES V7

  • Reported component ID

    5724H7226

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2010-12-09

  • Closed date

    2010-12-21

  • Last modified date

    2010-12-22

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Modules/Macros

  • RCHMGR
    

Fix information

  • Fixed component name

    WMQ ISERIES V7

  • Fixed component ID

    5724H7226

Applicable component levels

  • R701 PSY

       UP

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSFKSJ","label":"WebSphere MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0.1"}]

Document Information

Modified date:
17 September 2021