Spring MVC and WebSockets - spring-mvc

Question

I try to add a WebSocket end point to my Spring 4 web app.
I follow this tutorial.
I created and Handler and an Interceptor and I registered them adding this configuration in the file mvc-dispatcher-servlet.xml that is loaded by the
DispatcherServlet .
<bean id="websocket" class="co.syntx.example.websocket.handler.WebsocketEndPoint"/>
<websocket:handlers>
<websocket:mapping path="/websocket" handler="websocket"/>
<websocket:handshake-interceptors>
<bean class="co.syntx.example.websocket.HandshakeInterceptor"/>
</websocket:handshake-interceptors>
</websocket:handlers>
My poblem is that the handler is not registered and I get a 404 error when I try to connect to
ws:localhost:8080/<app-context>/websocket
I also try to user the 'xml-less' configuration (below), but I tried to add a breakpoint in the registerWebSocketHandlers but the method is never invoked.
import org.springframework.web.socket.config.annotation.EnableWebSocket;
import org.springframework.web.socket.config.annotation.WebSocketConfigurer;
import org.springframework.web.socket.config.annotation.WebSocketHandlerRegistry;
#Configuration
#EnableWebSocket
public class WebSocketConfig implements WebSocketConfigurer {
#Override
public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {
registry.addHandler(myHandler(), "/myHandler");
}
#Bean
public WebSocketHandler myHandler() {
return new MyHandler();
}
}