I am trying to migrate from Jetty 9.4 to Jetty 11 (maybe too early?) and failing in adapting the code for setting up websockets. The way I achieved this in 9.4 was as follows:
Server server = new Server();
HttpConfiguration httpConfig = new HttpConfiguration();
httpConfig.setSendServerVersion(false);
HttpConnectionFactory httpFactory = new HttpConnectionFactory(httpConfig);
ServerConnector httpConnector = new ServerConnector(server, httpFactory);
httpConnector.setPort(port);
server.setConnectors(new Connector[] { httpConnector });
// Setup the basic application "context" for this application at "/"
// This is also known as the handler tree (in jetty speak)
ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
context.setContextPath("/");
// Add a websocket to a specific path spec
ServletHolder holderEvents2 = new ServletHolder("websocket", EventsServlet.class);
context.addServlet(holderEvents2, "/events/*");
HandlerList handlers = new HandlerList();
handlers.setHandlers(new Handler[] { context, new DefaultHandler() });
server.setHandler(handlers);
public class EventsServlet extends WebSocketServlet {
@Override
public void configure(WebSocketServletFactory factory) {
// register a socket class as default
factory.register(EchoSocket.class);
}
}
public class EchoSocket implements WebSocketListener {
// ...
}
As there is no WebSocketServlet class anymore, I fiddled around a bit and found the class JettyWebSocketServlet. According to its JavaDoc, I thought it should like as follows:
public class EventsServlet extends JettyWebSocketServlet {
@Override
protected void configure(JettyWebSocketServletFactory factory) {
// register a socket class as default
// factory.register(EchoSocket.class);
factory.addMapping("/", (req,res)->new EchoSocket());
}
}
but the line with addMapping is actually never executed. Also JettyWebSocketServletFactory does not have a method called setDefaultMaxFrameSize as suggested by the JavaDoc of JettyWebSocketServlet .
All I seem to be able to find on the web is for Jetty <= 9.4, even https://github.com/jetty-project/embedded-jetty-websocket-examples .
Any help would be highly appreciated.