IBM Support

PM63713: A NULLPOINTEREXCEPTION OCCURRED WHEN MAKING TWO SIMULTANEOUS REQ UESTS TO SERVE SERVLETS BY CLASS NAME.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • A NullPointerException can occur if there are multiple requests
    made to serve servlets by class name prior to the application
    completing initialization.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Liberty Profile                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: A NullPointerException might occur      *
    *                      when the webcontainer property,         *
    *                      serveServletsByClassnameEnabled, is     *
    *                      set to true.                            *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A NullPointerException might occur when two simultaenous
    requests are made to serve a servlet by its class name
    immediately after the application starts up.
    

Problem conclusion

  • The WebContainer code has been updated to correctly handle this
    scenario and not throw an exception.
    
    The fix for this APAR is currently targeted for inclusion in
    fix pack 8.5.0.1. 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

    PM63713

  • Reported component name

    LIBERTY PROFILE

  • Reported component ID

    5724J0814

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-05-02

  • Closed date

    2012-09-28

  • Last modified date

    2012-09-28

  • 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

    LIBERTY PROFILE

  • Fixed component ID

    5724J0814

Applicable component levels

  • R850 PSY

       UP

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"850","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
28 October 2021