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Replies:  0

WCF Service Exception: "Underlying connection was closed"

I'm trying to recreate something similiar to the example in Patterns In Action 4.0 ActionService.cs except it is much simpler I only have 1 method in my WCF service.   The problem I'm experiencing is that anytime there is a failure the response isn't returned to the client but an System.ServiceModel.CommunicationException "the underlying connection was closed: the connection closed unexpectedly" occurs.  How do I get the response to get returned instead of an exception?

WCF service.cs
public EntryResponse SetEntry(EntryRequest request)
   var response = new EntryResponse(request.RequestId);
   response.Acknowledge = AcknowledgeType.Failure;
   response.Message = "testing fault message";            
   return response;        

And the ASP.NET web.config:

        <binding name="BasicHttpBinding_IMyService" closeTimeout="00:01:00"
         openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
         allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
         maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
         messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered"
         <readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
          maxBytesPerRead="4096" maxNameTableCharCount="16384" />
         <security mode="None">
          <transport clientCredentialType="None" proxyCredentialType="None"
           realm="" />
          <message clientCredentialType="UserName" algorithmSuite="Default" />
       <endpoint address="http://localhost:54858/MyService.svc"
        binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IMyService"
        name="BasicHttpBinding_IMyService" />

Dan Moon, Feb 18, 2011
I turned on tracing and was able to find the issue. http://tbszone.com/post/2010/11/16/WCF-The-connection-was-closed-unexpectedly.aspx
Feb 18, 2011

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