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PH49314: Automate the RESUME_WAITERS for tasks suspended due to JVMTHRED.

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Unable to automatically relieve JVMTHRED lockouts in a JVMSERVER
    by increasing it's threadlimit with CEMT .
    

Local fix

  • Either use TCLASS to limit the workload so that there are always
    10 threads free to process the new tasks created by the JSON
    transformation or change the application so the transformation
    runs in CICS rather then the Axis2 jvmserver.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS users.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: All tasks waiting for a thread are      *
    *                      not automatically resumed when the      *
    *                      threadlimit is increased.               *
    ****************************************************************
    Resume_Waiters is only run at the end of a task as the thread
    is returned to the pool. Hence increasing the threadlimit has
    no effect on suspended tasks until a new task runs to
    completion.
    

Problem conclusion

  • Change the code to resume all waiting tasks when the threadlimit
    is increased.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH49314

  • Reported component name

    CICS TS Z/OS V6

  • Reported component ID

    5655YA100

  • Reported release

    400

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2022-09-07

  • Closed date

    2022-12-07

  • Last modified date

    2023-01-03

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

    PH49147

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

    UI83610

Modules/Macros

  • DFHSJDM  DFHSJDUF DFHSJJS  DFHSJST  DFHSJTH
    

Fix information

  • Fixed component name

    CICS TS Z/OS V6

  • Fixed component ID

    5655YA100

Applicable component levels

  • R400 PSY UI83610

       UP22/12/17 P F212

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.

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]

Document Information

Modified date:
05 January 2023