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PI81077: NPE in ESISupport.java in the parentResponseIsJSFFacesServlet method with an async servlet when servlet caching is enabled.

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APAR status

  • Closed as program error.

Error description

  • A null pointer exception observered in SystemOut.log when
    accessing an async servlet when servlet caching is enabled.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server using servlet caching with an async  *
    *                  servlet.                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: A null pointer exception may occur      *
    *                      when an async servlet is executing.     *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The parent fragment may not exist with an async servlet.
    Servlet caching post processing assumed a parent fragment
    always exists and a null pointer exception occurs.
    

Problem conclusion

  • Servlet caching post processing code has been fixed to check
    for the existence of a parent fragment.
    
    The fix for this APAR is currently targeted for inclusion in
    fix pack 8.5.5.12 and 9.0.0.5.  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

    PI81077

  • 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

    2017-05-05

  • Closed date

    2017-06-05

  • Last modified date

    2017-08-17

  • 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:
18 October 2021