IBM Support

IT12477: IBM MQ 8.0 CHANNEL IN STUCK INITIALIZING STATE AND FDC PRODUCED FROM AMQRMPPA PROCESS WITH PROBEID XC130003.

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

 

APAR status

  • Closed as program error.

Error description

  • Channel will not connect and display shows channel in
    STATUS(INITIALIZING).
    amqrmppa process issues initial FDC with a Probeid XC130003.
    Subsequent FDC's issued with the following pattern:
    
    amqrmppa  42240  33 XC130003 xehExceptionHandler STOP
    amqrmppa  42240  33 RM042101 rrxReportError      STOP
    amqzxma0  80262   1 ZX005022 zxcProcessChildren
    lrcW_S_FAST_PATH_APP_DEAD
    
    FDC pattern repeats as channel attempts to start.
    

Local fix

  • Disable the message suppression function to prevent this
    scenario.
    
    Unset the following environment variables to disable the message
    suppression function:
    
    MQ_CHANNEL_SUPPRESS_MSGS
    MQ_CHANNEL_SUPPRESS_INTERVAL
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users using SVRCONN channels and queue managers configured to
    suppress error messages
    
    
    Platforms affected:
    MultiPlatform
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    A coding error meant that it was possible for the channel
    process to fail to initialize an internal channel attribute used
    when suppressing messages to fail to initialize. This in turn
    caused a memory exception when attempting to suppress error
    messages.
    

Problem conclusion

  • The MQ queue manager channel code has been updated to correctly
    perform the initialization of this internal attribute.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.6
    
    
    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

    IT12477

  • Reported component name

    WMQ BASE MULTIP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-11-28

  • Closed date

    2016-12-19

  • Last modified date

    2017-05-15

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

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

Fix information

  • Fixed component name

    WMQ BASE MULTIP

  • Fixed component ID

    5724H7251

Applicable component levels

  • R800 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.0.0.0","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
15 May 2017