/// <exception cref="System.Exception"/>
            public object Run()
            {
                ClientProtocol proxy = null;

                try
                {
                    proxy = RPC.GetProxy <ClientProtocol>(ClientProtocol.versionID, addr, TestClientProtocolWithDelegationToken
                                                          .conf);
                    proxy.GetServerDefaults();
                }
                finally
                {
                    server.Stop();
                    if (proxy != null)
                    {
                        RPC.StopProxy(proxy);
                    }
                }
                return(null);
            }