IBM Support

IT19999: .NET client receives ERR_PROTOCOL_LENGTH_ERROR when SHARECNV=1 and user ID and password are set

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APAR status

  • Closed as program error.

Error description

  • MQ managed .NET client receives ERR_PROTOCOL_LENGTH_ERROR while
    attempting to communicate with a queue manager.
    The issue happens when  SHARECNV=1 and userid and password
    values are
    set by the application.
    
    A connecting application can also receive a 2195 error.
     2195  0x00000893  MQRC_UNEXPECTED_ERROR
    
    Also, the following FDC could be generated:
    Major Errorcode   :- rrcE_PROTOCOL_ERROR
    Minor Errorcode   :- OK
    Probe Type        :- MSGAMQ9504
    Probe Severity    :- 2
    Probe Description :- AMQ9504: A protocol error was detected for
    channel 'TEST'.
    Arith1            :- 5 (0x5)
    Arith2            :- 18 (0x12)
    Comment1          :- TEST
    

Local fix

  • Set SHARECNV on a client connection and server connection
    channels to a value greater then 1.
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Users of MQ V8 managed .Net client.
    
    
    Platforms affected:
    Windows
    
    ****************************************************************
    PROBLEM DESCRIPTION:
    A logic error resulted in a failure to correctly initialize an
    internal connection structures in the managed .Net client code
    when SHARECNV was set to 1 on the channel.  This error resulted
    in the protocol length error being reported to the client.
    

Problem conclusion

  • The MQ managed .Net client code has been corrected so that this
    structure is initialized correctly.
    
    ---------------------------------------------------------------
    The fix is targeted for delivery in the following PTFs:
    
    Version    Maintenance Level
    v8.0       8.0.0.8
    v9.0 CD    9.0.4
    v9.0 LTS   9.0.0.2
    
    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

    IT19999

  • 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

    2017-03-31

  • Closed date

    2017-07-13

  • Last modified date

    2017-07-13

  • 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 BASE MULTIP

  • Fixed component ID

    5724H7251

Applicable component levels

  • R800 PSY

       UP



Document information

More support for: WebSphere MQ

Software version: 8.0.0.0

Reference #: IT19999

Modified date: 13 July 2017


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