IC91381: AMQRMPPA PROCESS FAILS WITH ACCESS VIOLATION ORIGINATING IN ZSTXACLOSE_INT FDC WITH PROBE ID XC130031 PRODUCED

WebSphere MQ V7.0 Fix Pack 7.0.1.11
Fix Pack 7.1.0.4 for WebSphere MQ V7.1
WebSphere MQ V7.5 Fix Pack 7.5.0.3

APAR status

• Closed as program error.

Error description

• amqrmppa crashes in zstXAClose_int method while attempting to
  end the conversation.
  
  A FDC is cut by the amqrmppa process showing the following:
  
  Probe Id          :- XC130031
  Component         :- xehExceptionHandler
  Process Name      :- C:\Program Files (x86)\WebSphere MQ\bin
  \amqrmppa.exe
  Comment1          :- Access Violation at address 0000029C when
  writing
  
  MQM Function Stack
  ccxResponder
  rrxResponder
  ccxReceiveThreadFn
  cciEndConv
  rriAsyncConvControl
  rriFreeSess
  zstXAClose
  xcsFFST
  
  A MiniDump for the process will also be written to the errors
  directory.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users of WebSphere MQ using the XA functionality of the queue
  manager.
  
  Platforms affected:
  All Distributed (iSeries, all Unix and Windows)
  ****************************************************************
  PROBLEM SUMMARY:
  While attempting to end conversation, zstXAClose_int code was
  accessing a pointer which was set to NULL. This NULL pointer
  dereferencing caused access violation in amqrmppa process.
  

Problem conclusion

• zstXAClose_int code is modified such that the null pointer is
  not dereferenced.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
                     v7.1
  Platform           Fix Pack 7.1.0.4
  --------           --------------------
  Windows            7.1.0.4
  AIX                7.1.0.4
  HP-UX (Itanium)    7.1.0.4
  Solaris (SPARC)    7.1.0.4
  Solaris (x86-64)   7.1.0.4
  iSeries            7.1.0.4
  Linux (x86)        7.1.0.4
  Linux (x86-64)     7.1.0.4
  Linux (zSeries)    7.1.0.4
  Linux (Power)      7.1.0.4
  
                     v7.0
  Platform           Fix Pack 7.0.1.11
  --------           --------------------
  Windows            7.0.1.11
  AIX                7.0.1.11
  HP-UX (PA-RISC)    7.0.1.11
  HP-UX (Itanium)    7.0.1.11
  Solaris (SPARC)    7.0.1.11
  Solaris (x86-64)   7.0.1.11
  iSeries            7.0.1.11
  Linux (x86)        7.0.1.11
  Linux (x86-64)     7.0.1.11
  Linux (zSeries)    7.0.1.11
  Linux (Power)      7.0.1.11
  
  Platform           v7.5
  --------           --------------------
  Multiplatforms     7.5.0.3
  
  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 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

• R710 PSY

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