Failed to connect, "Not a websocket connection response"

[huhuhong]

Sample Code:

            WebSocket ws = new WebSocket("ws://localhost:8080/spring-websocket-stomp-apollo/chat");
           // ws.Origin = "http://localhost:8080";
            using (ws)
            {
                ws.OnOpen += ws_OnOpen;
                ws.OnError += ws_OnError;
                ws.OnMessage += ws_OnMessage;
                //ws.OnMessage += (sender, e) =>
                 // Console.WriteLine("Laputa says: " + e.Data);

                ws.Connect();
                //ws.Send("SUBSCRIBE id:sub-0 destination:/topic/mytopic\0");
                Console.ReadKey(true);
            }

Sample Result:

Question: My server did return HTTP1.1 but somehow it still fail on Handshake. Any clues?

I have a StompJS Browser Client with Javascript as below and it was able to connect successfully.

    connect: function(){
      var socket = new SockJS('/spring-websocket-stomp-apollo/chat');
      stompClient = Stomp.over(socket);
      stompClient.connect("guest", "guest", function() {
        alert("connected!");

[huhuhong]

Help ! Help !

[tporadowski]

@huhuhong your server does not reply (at least to this request) correctly

The response should be more like:

HTTP/1.1 101 Switching Protocols
Server: websocket-sharp/1.0
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: PBiGdYTaidm4dmlhGPixbCo5fWc=

Please have a look at IsWebSocketResponse to see what's required in a proper websocket response.

[huhuhong]

Thanks a lot and issue had resolved.

Solution:

• Append ' /websocket ' at the end of the url.

            WebSocket ws = new WebSocket("ws://localhost:8080/spring-websocket-stomp-apollo/chat/websocket");
            //WebSocket ws = new WebSocket("ws://localhost:8080/spring-websocket-stomp-apollo/chat");

Description: Previously i'm focusing on cloning the communication flow of stomp javascript client.

1. It return HTTP 200 on the 1st call
2. Return HTTP 101 on the 2nd call