title: server does not expose service
body: <p>When I enable server reflection in C# server like this</p>
  
  <pre><code>var reflectionServiceImpl = new ReflectionServiceImpl(Greeter.Descriptor, ServerReflection.Descriptor);
  server = new Server()
  {
      Services =
      {
          // the server will serve 2 services, the Greeter and the ServerReflection
          ServerReflection.BindService(new GreeterImpl()),
          ServerReflection.BindService(reflectionServiceImpl)
      },
      Ports = { { "localhost", 50051, ServerCredentials.Insecure } }
  };
  server.Start();
  </code></pre>
  
  <p>I get this error when trying to reach to it using grpc_cli client</p>
  
  <blockquote>
    <p>"Error":"target server does not expose service</p>
  </blockquote>