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PH66511: ERRORS IN CLASS 3 ACCOUNTING FOR MQPUT1 TO A TOPIC

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When putting to a topic (or an alias that points to a topic)
    there are some differences in the way that MQPUT and MQPUT1
    capture and record the class 3 accounting data which makes it
    hard to compare the values. In particular, MQPUT1 reports data
    against the wrong object. In some scenarios, MQPUT1 calls to a
    topic are recorded in the "other" API fields.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 3 Modification 0 and Release 4       *
    *                 Modification 0.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: Class 3 accounting for an application   *
    *                      which uses MQPUT1 with a topic target   *
    *                      shows incorrect data values.            *
    ****************************************************************
    When an MQPUT1 is made directly to a topic, the accounting
    record for the task does not include a WQ section for the topic.
    The data for the MQPUT1 call is added to the "Other" MQ calls
    section of the WTAS section. When an MQPUT1 is made to a QALIAS
    that points to a topic, a WQ section is created, but the object
    name contains the target queue for one of the subscribers.
    

Problem conclusion

  • MQ has been changed to identify the correct topic name when
    collecting accounting data for an MQPUT1 call and record data
    for the call in the relevant MQPUT1 fields in the WQ section.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH66511

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    300

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-05-13

  • Closed date

    2025-08-27

  • Last modified date

    2025-10-02

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

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

    UO04659 UO04660

Modules/Macros

  • CSQ7COLL CSQMCLS2 CSQMOVAL CSQMPRH2 CSQMPUT1 CSQMSUBV CSQMTPUT
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R300 PSY UO04660

       UP25/09/13 P F509

  • R400 PSY UO04659

       UP25/09/13 P F509

Fix is available

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Document Information

Modified date:
02 October 2025