WebSocket failed: Error during WebSocket handshake: Unexpected response code: 403
<p>I'm working on wildfly 8.2. if I run a WebSocket connection to  </p>

<pre><code>var wsUrl = 'ws://' + window.location.host 

var ws = new WebSocket(wsUrl + '/testwebservlet') 
</code></pre>

<p>On my server I have this msg in my console:</p>

<pre><code>WebSocket connection to 'ws://localhost:8282/testwebservlet' failed:
    Error during WebSocket handshake: Unexpected response code: 403
</code></pre>

<p>My xhtml code is like below !!</p>

<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;

&lt;meta charset="UTF-8" /&gt;
&lt;title&gt;WebSocket Client&lt;/title&gt;
&lt;script type="text/javascript"&gt;      
 var wsUrl = 'ws://' + window.location.host 
 var ws = new WebSocket(wsUrl + '/testwebservlet')

     ws.onopen = function()
     {
        alert("Web Socket is connected!!");                 
     };
     ws.onmessage = function (evt) 
     {                  
        var msg = evt.data;
        alert("Message received:" +  msg);
     };
     ws.onclose = function()
     { 
        alert("Connection is closed..."); 
     };

  &lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;

&lt;/body&gt;
&lt;/html&gt;
</code></pre>

<p>java code:</p>

<pre><code>package testwebservlet;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.enterprise.concurrent.ManagedExecutorService;
import javax.websocket.CloseReason;
import javax.websocket.OnClose;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.ServerEndpoint;
import org.jboss.logging.Logger;

@ServerEndpoint("/testwebservlet")
public class WSEndpoint {
    Logger log = Logger.getLogger(this.getClass());

    @OnMessage
    public void receiveMessage(String message, Session session) {
        log.info("Received : "+ message + ", session:" + session.getId());
    }

    @OnOpen
    public void open(Session session) {
        log.info("Open session:" + session.getId());         
    }

    @OnClose
    public void close(Session session, CloseReason c) {
        log.info("Closing:" + session.getId());
    }
}
</code></pre>

<p>Any suggestion?</p>