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PI84836: ACK REQUEST SENT ON 2XX RETRANSMISSION MIGHT BE MAPPED TO THE WRONG APPLICATION SESSION

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • In a deployment where multiple SIP application are deployed on
    the same WebSphere instance, ACK request sent on 2XX
    retransmission might be mapped to the wrong application session
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server                                      *
    *                  Session Initiation Protocol (SIP)           *
    ****************************************************************
    * PROBLEM DESCRIPTION: In a deployment where multiple SIP      *
    *                      application are deployed on             *
    *                      the same WebSphere instance, ACK        *
    *                      request sent on 2XX                     *
    *                      retransmission might be mapped to the   *
    *                      wrong application session               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    In a deployment where multiple SIP application are deployed on
    the same WebSphere instance, ACK request sent on 2XX
    retransmission might be mapped to the wrong application session
    

Problem conclusion

  • The following SIP Container custom property should be set to
    true to avoid the issue:
    javax.clone.ack.2xx.retransmission
    
    The fix for this APAR is currently targeted for inclusion in
    fix pack 8.5.5.13 and 9.0.0.6. 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

    PI84836

  • Reported component name

    WEBSPHERE APP S

  • Reported component ID

    5724J0800

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-07-20

  • Closed date

    2017-09-27

  • Last modified date

    2017-09-27

  • 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

    WEBSPHERE APP S

  • Fixed component ID

    5724J0800

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:
19 October 2021