IBM Support

PH66532: CLASSNOTFOUNDEXCEPTION: COM.IBM.MQ.CONNECTOR.RESOURCEADAPTERIMPL MAY OCCUR WHEN STARTING THE ODR

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APAR status

  • Closed as program error.

Error description

  • ClassNotFoundException:
    com.ibm.mq.connector.ResourceAdapterImpl may occur when
    starting the ODR.  The function of the ODR is not affected by
    this error.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  WebSphere Application Server users of the   *
    *                  On Demand Router (ODR)                      *
    ****************************************************************
    * PROBLEM DESCRIPTION: ClassNotFoundException:                 *
    *                      com.ibm.mq.connector.ResourceAdapterImp *
    *                      l may occur when starting the ODR.      *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The MQ Messaging component is disabled in the ODR and the MQ
    Resource Adapter is not added to the application server's
    classpath.  The runtime erroneously attempts to start the MQ
    Resource Adapter leading to the ClassNotFoundException.
    

Problem conclusion

  • Initialization of the MQ messaging component typically
    registers a filter with the runtime to prevent processing of
    MQ related resources and initialization of the MQ Resource
    Adapter in a process where the component was disabled.  The
    component was modified so that this mechanism is also applied
    in the ODR environment.
    
    The fix for this APAR is targeted for inclusion in fix packs
    8.5.5.28 and 9.0.5.24. For more information, see 'Recommended
    Updates for WebSphere Application Server':
    https://www.ibm.com/support/pages/node/715553
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH66532

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    900

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-05-14

  • Closed date

    2025-05-29

  • Last modified date

    2025-07-07

  • 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

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

Document Information

Modified date:
07 July 2025