IBM Support

PI76835: Connections between web server and client may remain open with websockets traffic

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When the websocket request is a sub-request and
    one of the data structures indicates the client side connection
    has already been destroyed, plugin doesn't issue a destroy for
    the entire request structure.
    

Local fix

  • n/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  IBM WebSphere Application Server web server *
    *                  plugin users with websocket traffic         *
    ****************************************************************
    * PROBLEM DESCRIPTION: Connections between web server and      *
    *                      client may remain open when using       *
    *                      websocket connections                   *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When the websocket client requests invoke multiple processing
    modules within the web server, the sockets may not close when
    the connection is terminated.
    

Problem conclusion

  • The web server plugin was not requesting client request
    closure when internal flags indicated other modules may be
    engaged processing the request. Code was corrected to indicate
    that the connection should close when all processing completes.
    
    The fix for this APAR is currently targeted for inclusion in
    fix packs 8.5.5.12 and 9.0.0.4.  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

    PI76835

  • 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

    2017-02-17

  • Closed date

    2017-02-22

  • Last modified date

    2017-12-20

  • 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

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Document Information

Modified date:
19 October 2021