IBM Support

PH35225: IMPROVE HANDLING OF CANCEL NOTIFICATIONS IN COMPUTE GRID

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

  • When a cancel is issued, the job scheduler marks the status of
    the in the JOBSTATUS to CANCEL_PENDING. It then sends a
    notification to the endpoint server to cancel the job. The
    endpoint receives/processes the cancel request and if it can be
    cancelled (i.e. still running) updates the status of the job in
    LOCALJOBSTATUS to RESTARTABLE (for example). It then sends a
    notification to the job scheduler that it has updated its
    status. When the job scheduler receives that status update, it
    then marks its status in JOBSTATUS to RESTARTABLE.
    
    If the job
    is completed by the time the endpoint receives this
    notification, there is no cancel that can happen so the job
    will appear as CANCEL_PENDING on the job scheduler
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server                                      *
    *                  Java Batch                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: Java batch job canceled remains in      *
    *                      cancel pending state even though job is *
    *                      in a final state on endpoint            *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When a cancel is issued for a java batch job, the job scheduler
    sets the job status in the JOBSTATUS table to CANCEL_PENDING. It
    then sends a notification to the batch endpoint server to cancel
    the job.
    The endpoint receives/processes the cancel request and if it can
    be cancelled (still running) updates the status of the job in
    the LOCALJOBSTATUS table to RESTARTABLE (for example). It then
    sends a notification to the job scheduler that it has updated
    its status. When the job scheduler receives that status update,
    it then marks the status in the JOBSTATUS table to RESTARTABLE.
    If the job is no longer running by the time the endpoint
    receives this notification, the job will remain seen as
    CANCEL_PENDING on the job scheduler until the server is
    restarted.
    

Problem conclusion

  • A code update has been made in the cancel processing on the
    batch endpoint server.  If a job has completed on the endpoint
    when a cancel command is received, a job status update will be
    sent to the Job Scheduler that issued the cancel so that the job
    will no longer remain in cancel pending state.
    
    The fix for this APAR is targeted for inclusion in fix pack
    9.0.5.9 and 8.5.5.21. For more information, see 'Recommended
    Updates for WebSphere Application Server':
    https://www.ibm.com/support/pages/node/715553
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH35225

  • Reported component name

    WEBSPHERE FOR Z

  • Reported component ID

    5655I3500

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-03-10

  • Closed date

    2021-07-01

  • Last modified date

    2021-07-01

  • 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

    WEBSPHERE FOR Z

  • Fixed component ID

    5655I3500

Applicable component levels

  • R900 PSY

       UP

[{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS7K4U","label":"WebSphere Application Server for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"900"}]

Document Information

Modified date:
16 July 2021