IBM Support

PM94998: WLM in the WebSphere Proxy ignores virtual host mapping configured for a web module by the user.

Fixes are available

8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
8.5.5.2: WebSphere Application Server V8.5.5 Fix Pack 2
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
8.5.5.3: WebSphere Application Server V8.5.5 Fix Pack 3
8.5.5.4: WebSphere Application Server V8.5.5 Fix Pack 4
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
8.5.5.5: WebSphere Application Server V8.5.5 Fix Pack 5
8.5.5.6: WebSphere Application Server V8.5.5 Fix Pack 6
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.5.5.7: WebSphere Application Server V8.5.5 Fix Pack 7
8.5.5.8: WebSphere Application Server V8.5.5 Fix Pack 8
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.5.5.9: WebSphere Application Server V8.5.5 Fix Pack 9
8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21

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APAR status

  • Closed as program error.

Error description

  • Workload management (WLM) in the WebSphere Proxy routes
    requests to ports that are not part of the virtual host that
    is configured for a web module.
    

Local fix

  • N/a
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Proxy Server.                        *
    ****************************************************************
    * PROBLEM DESCRIPTION: WLM in WebSphere Proxy ignores          *
    *                      the virtual host configured for a web   *
    *                      module when selecting the application   *
    *                      server port to route to.                *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The Workload management (WLM) code currently ignores the users
    virtual host configuration for a web module. This results in
    requests getting routed to ports that it should not be routing
    to.
    

Problem conclusion

  • A new custom property,
    IBM_CLUSTER_WLM_ENFORCE_VHOST_IN_WEBAPP,
    was introduced. When set to true WLM will use the virtual host
    configured on the application. By default the property is
    false, in which case WLM will ignore the virtual host
    configured on the application as it does currently.
    
    Instructions on how to configure cell level custom
    properties can be found at
    http://pic.dhe.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/
    com.ibm.websphere.nd.doc/info/ae/ae/ragt_cell_customprops.html.
    
    The fix for this APAR is currently targeted for inclusion in
    fix packs 8.0.0.8 and 8.5.5.2.  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

    PM94998

  • Reported component name

    WEBSPHERE APP S

  • Reported component ID

    5724J0800

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-08-13

  • Closed date

    2013-11-05

  • Last modified date

    2013-11-05

  • 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

  • R800 PSY

       UP

  • 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":"8.0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
28 April 2022