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IC98478: WMQ 7.0.1.10 USING WCF/XMS CLIENT APPLICATION REPORTS ERROR SYSTEM.TIMEOUTEXCEPTION: WCFCH0313E. MESSAGE ROLLBACK OCCURS

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APAR status

  • Closed as program error.

Error description

  • WebSphere MQ 7.0.1.10 client using dotnet(WCF) A time out error
    occurs, uncommitted messages build up on the
    queue and multiple svrconn connections are created. In the
    system log you see the following error
    2013-11-27 12:13:08.257 -
    48545450000000002f020000000000001700000000000000 - WCFCH0313E:
    The timeout '00:01:00' was exceeeded while attempting to open
    the channel for endpoint
    'jms:/queue?destination=DEST&connectionFactory=connectQueueManag
    er(*.SVRCONN)&initialContextFactory=com.ibm.mq.jms.Nojndi&replyD
    estination=MY.CONSUMER' The operation did not complete in the
    time allowed. The endpoint might be down, unavailable, or
    unreachable;
    review the system status and configuration and increase the
    timeout if required.
    
    Users of XMS and .Net applications, not using WCF, can see
    frequent connection failures (MQRC_Q_MGR_NOT_AVAILABLE or
    MQRC_UNEXPECTED_ERROR) or hangs threads during disconnection.
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    WebSphere MQ WCF, XMS and .net application users using the
    managed .net client.
    
    
    Platforms affected:
    Windows
    
    ****************************************************************
    PROBLEM SUMMARY:
    The WebSphereMQ .Net managed client maintains a connection
    pool to allow connections to queue managers already in use to be
    established quickly. However there were errors in the locking
    code used when connections were added or removed to the pool and
    in handling connection errors.
    

Problem conclusion

  • Connection pool locking mechanisms and use were corrected.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v7.0       7.0.1.13
    
    The latest available maintenance can be obtained from
    'WebSphere MQ Recommended Fixes'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
    
    If the maintenance level is not yet available information on
    its planned availability can be found in 'WebSphere MQ
    Planned Maintenance Release Dates'
    http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
    ---------------------------------------------------------------
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC98478

  • Reported component name

    WMQ WINDOWS V7

  • Reported component ID

    5724H7220

  • Reported release

    701

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-12-23

  • Closed date

    2014-02-13

  • Last modified date

    2014-02-13

  • 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

    WMQ WINDOWS V7

  • Fixed component ID

    5724H7220

Applicable component levels

  • R701 PSY

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Document Information

Modified date:
13 February 2014