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PI19654: WMQ: A CORRUPT CLUSTER RECORD OBJECT APPEARS IN THE CLUSTER QUEUE CACHE CHAIN.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • In the cluster queue (CLQ), the cache contains
    a chain of attached cluster records (CLQ_CLUS),
    one for each cluster the cluster queue (CLQ)
    is in.
    There was a corrupt cluster record (CLQ_CLUS)
    object in the cache chain.
    .
    In every case or on every occasion it looks
    like the following:
    .
    2A7AF000 2ADFE000 E71C0020 E7E2D7D4 e.:0...\.X...XSPMe
    000011D8 2A7B14B0 29AA1660 29AA1664 e...Q.#.....-....e
    00000000 29AA14D0 E7174000 E7E2D2C2 e.......}X. .XSKBe
    00237C00 2A79D002 00000068 29AA5600 e..@..?}.........e
    00000004 29AA14D0 00000000 80000000 e.......}........e
    00000000 00000000 E7180158 E7C6D9D4 e........X...XFRMe
    C3E2D8E7 D7C5D5E3 F2F0F1F0 F0F9F0F1 eCSQXPENT20100901e
    E4D2F6C7 29AA14D0 E7290010 00000004 eUK6G...}X.......e
    00000000 29AA1668 C3E2D8C1 00006840 e........CSQA... e
    29AA1840 A9BA43F0 A9BD6820 00000000 e... z..0z.......e
    29A6F324 00000001 00006840 29A6F580 e.w3........ .w5.e
    29AA1758 009D2FC8 29A6F000 04752000 e.......H.w0.....e
    00000000 009CA408 29BA41D8 A9BA4040 e......u....Qz.  e
    ENGTH(X'10')==>All bytes contain X'00'
    00000000 00000000 000001A4 00000001 e...........u....e
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
    *                 Release 0 Modification 1 and Release 1       *
    *                 Modification 0.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: When viewing cluster objects in a dump  *
    *                      some of the CLQ cluster objects may be  *
    *                      corrupted.                              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    DeleteCLQ copies uninitialised storage into CLQ_CLUS objects
    which is a potential source of corruption of those records.
    

Problem conclusion

  • DeleteCLQ (in CSQXRFXR) has been changed to initialise the
    ClqClus area.
    010Y
    100Y
    CSQXRFXR
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI19654

  • Reported component name

    WMQ Z/OS V7

  • Reported component ID

    5655R3600

  • Reported release

    010

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2014-06-10

  • Closed date

    2014-06-30

  • Last modified date

    2014-08-04

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

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

    UI19230 UI19231

Modules/Macros

  • CSQXRFXR
    

Fix information

  • Fixed component name

    WMQ Z/OS V7

  • Fixed component ID

    5655R3600

Applicable component levels

  • R010 PSY UI19230

       UP14/07/22 P F407

  • R100 PSY UI19231

       UP14/07/22 P F407

Fix is available

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Document Information

Modified date:
04 August 2014