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PM07660: INVALID DFHTM1797 AFTER STOPPAGE OF MQ

A fix is available

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APAR status

  • Closed as program error.

Error description

  • CEMT transaction (which was a CEMT P SHUT) has done work
    involving MQ (or at least has a MQLOT and is on the chain.
    Perhaps MQ is involved when CEMT invokes the TRUE's during it's
    processing), and therefore when the STOP QMGR MODE(FORCE) (we
    believe this will purge all tasks that have dealt with MQ) is
    issued, it purges the CEMT task (which is currently waiting on a
    non-system task to quiesce, the actual purge is done by CKAM at
    the behest of the FORCE). This results in the numerous
    abendAICG's and the DFHTM1797.
    Additional Keywords AICG , MQ , DFHTM1797 , Purge
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION: DFHTM1797 message is issued following   *
    *                      an orderly shutdown of CICS and a       *
    *                      FORCEd shutdown of WMQ.                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    After using CEMT P SHUT to close down CICS followed by
    QMGR STOP QMGR MODE(FORCE) to close down the WMQ address space
    CICS abends straight after message DFHTM1797 is issued.
    Additional keywords: TCZSDTSK msgDFHTM1797 abendAICG
    

Problem conclusion

  • The fact that an orderly shutdown is in progress has not been
    conveyed to the WMQ connect/disconnect program DFHMQCON.
    In order to correct this, DFHSTP has been amended so that flag
    tcasdtsk is set during a controlled shut down.
    

Temporary fix

  • FIX AVAILABLE BY PTF ONLY
    

Comments

APAR Information

  • APAR number

    PM07660

  • Reported component name

    CICSTS V3 Z/OS

  • Reported component ID

    5655M1500

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-02-15

  • Closed date

    2010-03-25

  • Last modified date

    2010-04-02

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

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

    PM09729 UK55597

Modules/Macros

  •    DFHSTP
    

Fix information

  • Fixed component name

    CICSTS V3 Z/OS

  • Fixed component ID

    5655M1500

Applicable component levels

  • R500 PSY UK55597

       UP10/03/31 P F003

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
02 April 2010