IT36965: System.NullReferenceException occurs when .Net client tries to browse multiple messages.

APAR status

• Closed as program error.

Error description

• .NET client fails with below exception when trying browse
  multiple messages.
  
  Exception is as follows when the problem is seen with the
  "SimpleGet.cs" sample application:
  
  Exception caught: System.NullReferenceException: Object
  reference not set to an instance of an object.
  
  at IBM.WMQ.MQGetMessageOptions.get_ResolvedQueueName()at
  SimpleGet.SimpleGet.GetMessages() in SimpleGet.cs: line 374
  at SimpleGet.SimpleGet.Main(String[] args) in SimpleGet.cs: line
  131
  Sample execution FAILED!End of SimpleGet Application
  

Local fix

• Set SHARECNV(0) on the server connection channel definition used
  by the application
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  User using managed .Net client and browsing messages through an
  alias queue.
  
  
  Platforms affected:
  Windows, Linux on x86-64
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  When browsing multiple messages through an alias queue, the
  resolved queue name was not copied correctly causing the browse
  to fail and System.NullReferenceException was thrown at the
  console.
  

Problem conclusion

• The coding error has been resolved when browsing multiple
  messages through an alias queue and resolved queue name is
  copied correctly.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.2 LTS   9.2.0.7
  v9.3 LTS   9.3.0.5
  v9.x CD    9.3.2
  
  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 is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  MQ BASE V9.2

• Fixed component ID

  5724H7281

Applicable component levels