IBM Support

IT16167: Managed .NET client application does not send heartbeat request to queue manager

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APAR status

  • Closed as program error.

Error description

  • When using an IBM MQ managed .Net client application, it is
    observed that a heartbeat flow is received from the queue
    manager every 'HBINT + 5 seconds', but no heartbeat
    communication is initiated from the client side.
    

Local fix

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    MQ users using a managed .NET client application to connect to
    the Queue Manager
    
    
    Platforms affected:
    Windows
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    A logic error in the MQ managed .NET client code meant that the
    client did not send a heartbeat request to the queue manager in
    the expected circumstances.
    

Problem conclusion

  • The MQ managed .NET client logic has been corrected such that
    the heartbeat request is sent when expected by the MQ protocol.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.10
    v9.0 LTS   9.0.0.4
    
    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

    IT16167

  • Reported component name

    WMQ BASE MULTIP

  • Reported component ID

    5724H7251

  • Reported release

    800

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-07-18

  • Closed date

    2018-04-27

  • Last modified date

    2018-05-01

  • 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 BASE MULTIP

  • Fixed component ID

    5724H7251

Applicable component levels



Document information

More support for: IBM MQ

Software version: 8.0.0.0

Reference #: IT16167

Modified date: 01 May 2018