PM35054: NULL POINTER EXCEPTION THROWN WHEN USING HTTP SESSION REPLICATION

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • When using WebSphere eXtreme Scale Http Session Replication, the
    following exceptions is thrown:
    
    webapp E com.ibm.ws.webcontainer.webapp.WebApp logServletError
    SRVE0293E: [Servlet Error]-[appServlet]:
    java.lang.NullPointerException
    
    at
    com.ibm.ws.session.store.objectgrid.FragmentedSessionStore.relea
    seSession(FragmentedSessionStore.java:448)
    at
    com.ibm.ws.session.store.objectgrid.ObjectStore.getSession(Objec
    tStore.java:167)
    at
    com.ibm.ws.session.utils.SessionManager.getSessionFromStore(Sess
    ionManager.java:316)
    at
    com.ibm.ws.session.utils.SessionManager.getSession(SessionManage
    r.java:300)
    at
    com.ibm.ws.session.utils.SessionManager.getSession(SessionManage
    r.java:286)
    at
    com.ibm.ws.httpsession.HttpSessionManagerImpl.isRequestedSession
    IDValid(HttpSessionManagerImpl.java:372)
    at
    com.ibm.ws.httpsession.HttpSessionRequestWrapper.isRequestedSess
    ionIdValid(HttpSessionRequestWrapper.java:426)
    at
    javax.servlet.http.HttpServletRequestWrapper.isRequestedSessionI
    dValid(HttpServletRequestWrapper.java:257)
    at
    javax.servlet.http.HttpServletRequestWrapper.isRequestedSessionI
    dValid(HttpServletRequestWrapper.java:257)
    ...
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of WebSphere eXtreme Scale v7.0   *
    *                  who are using ObjectGrid for HTTP session   *
    *                  replication                                 *
    ****************************************************************
    * PROBLEM DESCRIPTION: User applications receive a             *
    *                      NullPointerException when               *
    *                      isRequestedSessionIdValid() is called.  *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When a user application calls isRequestedSessionIdValid() on
    the HttpServletRequestWrapper object, application can get
    a NullPointerException when the requested session id is invalid.
    

Problem conclusion

  • Fix will be provided in a future cumulative ifix.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PM35054

  • Reported component name

    XD EXTREME SCAL

  • Reported component ID

    5724J3402

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-03-17

  • Closed date

    2011-03-28

  • Last modified date

    2011-03-28

  • 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

    XD EXTREME SCAL

  • Fixed component ID

    5724J3402

Applicable component levels

  • R700 PSY

       UP



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Document information


More support for:

WebSphere eXtreme Scale
General

Software version:

7.0

Reference #:

PM35054

Modified date:

2011-03-28

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