IBM Support

PH62604: CSQX036E IS ONLY ISSUED ONCE DURING CLUSTER RECONCILIATION, EVEN IF THE OPEN FAILS FOR MULTIPLE QUEUES.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • The automatically defined channel CLUSSDR transmission queues
    are not correctly removed when removing a QMGR from a cluster.
    If by additionally deleting the automatically defined channel
    CLUSSDR transmission queues, CSQX036E is issued as below when
    the CHINIT is restarted:
    CSQX036E +CSQ1 CSQXREPO Unable to open
    QUEUE(SYSTEM.CLUSTER.TRANSMIT.CLUS1.CHL1), MQCC=2 MQRC=2085
    (MQRC_UNKNOWN_OBJECT_NAME)
    However many "CLUSSDR XMITQ Record" records are in the
    SYSTEM.CHANNEL.SYNCQ queue for CLUSSDR transmission queues
    which no longer exist.  Message CSQX036E is only issued once
    for the first queue which failed an open in response to the
    rrcE_MQOPEN_FAILED once cluster reconciliation is complete.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 2 Modification 0,                    *
    *                 Release 3 Modification 0, and                *
    *                 Release 4 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: During Cluster Reconciliation, the      *
    *                      message CSQX036E would only be issued   *
    *                      once if a queue could not be opened,    *
    *                      even if multiple queues failed.         *
    ****************************************************************
    The code which handles cluster reconciliation only reports
    errors at the end of the process, resulting in only one error
    being reported, even if there were multiple.
    

Problem conclusion

  • The code has been changed to report errors immediately after
    each failed attempt to open a queue, so that CSQX036E is issued
    for each failing object.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH62604

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    200

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2024-08-04

  • Closed date

    2025-02-20

  • Last modified date

    2025-04-02

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

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

    UO02163 UO02164 UO02165

Modules/Macros

  • CSQXRFXR
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R200 PSY UO02165

       UP25/03/08 P F503

  • R300 PSY UO02164

       UP25/03/08 P F503

  • R400 PSY UO02163

       UP25/03/08 P F503

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 2025