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PH08898: WebSphere v8.5.5 Job Scheduler throws NullPointerException

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APAR status

  • Closed as program error.

Error description

  • In Websphere Application Server v8.5.5.x, Java Batch Job
    Scheduler fails with NullPointerException:
    CWLRB6109E: Caught exception in
    JobSchedulerMDB.JobWatcher.alarm: java.lang.NullPointerException
    at
    com.ibm.ws.batch.JobSchedulerMDB$JobWatcher.alarm(JobSchedule
    rMD B.java:1794)
    at com.ibm.ejs.util.am._Alarm.runImpl(_Alarm.java:151)
    at com.ibm.ejs.util.am._Alarm.run(_Alarm.java:136)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Java Batch                           *
    ****************************************************************
    * PROBLEM DESCRIPTION: A NullPointerException can occur under  *
    *                      load submitting jobs via WSGRID         *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When several job submissions occur via WSGRID, a timing issue
    could lead to an internal variable being accessed prior to
    complete initialization during multi threaded access
    

Problem conclusion

  • A code update has been made to properly initialize and use
    this object for multi-threaded access
    
    The fix for this APAR is currently targeted for inclusion in
    fix pack 9.0.5.0 and 8.5.5.16.  Please refer to the
    Recommended
    Updates page for delivery information:
    http://www.ibm.com/support/docview.wss?
    rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH08898

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-02-22

  • Closed date

    2019-06-27

  • Last modified date

    2019-06-27

  • 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

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

  • R850 PSY

       UP

  • R900 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"850","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
14 October 2021