how to properly close/dispose of a client object that's in a Fault state

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  Hi,

  I'm submitting SOA jobs to the HPC scheduler, everything is working fine, I'm getting call back returns, no problem.

  I run some tests to see what happens when the client code throws exceptions, and that works fine too, I catch the exceptions in the call back method. However, after all the calls backs are received, I attempt to do a client.Close( ), and I get this exception: "The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communication because it is in the Faulted state."

  What do I need to do to properly close/dispose of the client object, if any of the client calls threw exceptions?

  thanks!

  Damian

   

  P.s .the code is simple, based on MS examples

   

   int j = 0;
   foreach (string job in jobdetails)
   {
    client.BeginExecuteJobRequest(job, SimJobCallBack, new RequestSimState(client, j++));
   }

   AsyncResultsDone.WaitOne();
   client.Close();
  }
  catch (Exception e)
  {
   string msg = e.Message;
  }

  call back method:

  static void SimJobCallBack(IAsyncResult result)
  {
   RequestSimState state=null;
   int startPath=-1;
   try
   {
    state = result.AsyncState as RequestSimState;
    startPath = state.StartingPath;
    string rc = state.GetResult(result);
    Console.WriteLine(string.Format("Returned for startPath {0} = {1}", startPath, rc));
   }
   catch (Exception e)
   {
    string errorMsg = e.Message;
    Console.WriteLine(string.Format("Exception for startPath {0} = {1}", startPath, errorMsg));

   }
   finally
   {
    if (Interlocked.Decrement(ref jobCount) <= 0)
     AsyncResultsDone.Set();
   }
  }

  • Edited by DamianRK Friday, April 10, 2015 3:14 PM

  Friday, April 10, 2015 3:12 PM