IBM Support

IT43974: MQ IPT reports MQCPE020 and MQCPE048 messages when extending thevalue 'MAXCONNECTIONTHREADS' .

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APAR status

  • Closed as program error.

Error description

  • When trying to extend the 'MaxConnectionThreads' current value
    of '250' to higher value '251' and perform a dynamic refresh of
    the MQ Internet PassThru (MQ IPT) route without stopping the
    route by using the command 'mqiptAdmin -refresh'
    MQ IPT throws this exception:
        MQCPE020 The new value for MaxConnectionThreads is 251. This
    must be greater than the current value 250
        MQCPE048 Route startup failed on port 8081, exception was :
    java.lang.Exception
    

Local fix

  • 1. Stop the route (Set Active=false)
    2. Change the maxConnectionThreads value
    3. Start the route (Set Active=true)
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
     Using MQ IPT for HTTP routes.
    
    
    Platforms affected:
    Linux on x86, Linux on x86-64, Windows, AIX
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    MQ IPT incorrectly reported that the value of
    MaxConnectionThreads is being reduced when perform a dynamic
    refresh of the mqipt route without stopping the route, when the
    value was being increased.
    

Problem conclusion

  • MQ IPT code has been corrected to apply the newly increased
    value of 'MaxConnectionThreads' following a dynamic refresh of
    the route
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v9.2 LTS   9.2.0.25
    v9.3 LTS   9.3.0.17
    v9.x CD    9.3.4
    
    The latest available maintenance can be obtained from
    'IBM MQ Recommended Fixes'
    https://www.ibm.com/support/pages/recommended-fixes-ibm-mq
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'IBM MQ
    Planned Maintenance Release Dates'
    https://ibm.biz/mqplannedmaintenance
    
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT43974

  • Reported component name

    IBM MQ BASE MP

  • Reported component ID

    5724H7271

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2023-06-14

  • Closed date

    2024-03-26

  • Last modified date

    2024-04-11

  • 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

    IBM MQ BASE MP

  • Fixed component ID

    5724H7271

Applicable component levels

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"910","Line of Business":{"code":"LOB67","label":"IT Automation \u0026 App Modernization"}}]

Document Information

Modified date:
11 April 2024