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IC95729: IIS PROCESS CRASH DUE TO AN UNHANDLED EXCEPTION IN AMQMDNET.DLL.

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APAR status

  • Closed as program error.

Error description

  • A WebSphere MQ v7.0.1 .NET application crashes, and the Windows
crash dump reports the below call stack.


amqmdnet!IBM.WMQ.MQQueueManager.Dispose(Boolean)+0xd2
amqmdnet!IBM.WMQ.MQQueueManager.Finalize()+0x1d

Local fix

  • 



Problem summary


    

  • ****************************************************************
USERS AFFECTED:
Users using WebSphere MQ .NET applications

Platforms affected:
Windows

****************************************************************
PROBLEM SUMMARY:
WebSphere MQ .NET application intermittently reports memory
access violation error and the memory dump collected during the
application crash records the below MQ function stack.

amqmdnet!IBM.WMQ.MQQueueManager.Dispose(Boolean)+0xd2
amqmdnet!IBM.WMQ.MQQueueManager.Finalize()+0x1d

    



Problem conclusion


    

  • The application crash was occurring while referencing a member
variable of a NULL object. The code is modified to correct this
invalid memory access.

---------------------------------------------------------------
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
    IC95729
    • 

  • 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
    2013-09-04
    • 

  • Closed date
    2013-11-12
    • 

  • Last modified date
    2014-01-13
    • 





    

  • 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
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSDEZSF","label":"IBM WebSphere MQ Managed File Transfer for z\/OS"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0.1","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            31 March 2023
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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