title: not able to call web api service using http client deploy under virtual application on azure app service
body: <p>I have deploy MVC web application on azure 'app service'. Inside app service I added Web api application by using <code>virtual application</code> option available under App Settings on azure. Now I am calling this web api service from MVC web application using HTTP client it throws below error but I am able to call these web api service using browser. </p>
  
  <p>Inner Exception: </p>
  
  <blockquote>
    <p>System.Net.Http.HttpRequestException: An error occurred while sending
    the request. ---> System.Net.WebException: The underlying connection
    was closed: An unexpected error occurred on a send. --->
    System.IO.IOException: Unable to read data from the transport
    connection: An existing connection was forcibly closed by the remote
    host. ---> System.Net.Sockets.SocketException: An existing connection
    was forcibly closed by the remote host at
    System.Net.Sockets.Socket.EndReceive(IAsyncResult asyncResult) at
    System.Net.Sockets.NetworkStream.EndRead(IAsyncResult asyncResult) ---
    End of inner exception stack trace --- at
    System.Net.TlsStream.EndWrite(IAsyncResult asyncResult) at
    System.Net.PooledStream.EndWrite(IAsyncResult asyncResult) at
    System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar) --- End
    of inner exception stack trace --- at
    System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) at
    System.Net.Http.HttpClientHandler.GetResponseCallback(IAsyncResult ar)
    --- End of inner exception stack trace ---</p>
  </blockquote>