Hi Dragan,

... I just had a similar issue a couple of days ago... my setup is slightly different from yours (using Spring behind the scenes), but it shouldn't matter...

The problem was (in my case) the Atmosphere servlet mapping and the path parameter in the annotated handler service...

I had (like you) an asterisk ("*") in the servlet mapping and that lead to a similar problem that you are describing (messages seem to arrive on the server side, but broadcasts to subscribed clients don't work).

Also: Atmosphere was picky concerning the path parameter in my annotated handler service (see below).

So... I'd suggest you try something like this (just showing the relevant parts):

[java]

public class Bootstrap {
...

    .addMapping("/chat")

...
    // Not sure if this is required and related to your problem... including it anyway...
    final Xnio xnio = Xnio.getInstance("nio", Undertow.class.getClassLoader());
    final XnioWorker xnioWorker = xnio.createWorker(OptionMap.builder().getMap());
    final WebSocketDeploymentInfo webSockets = new WebSocketDeploymentInfo().setWorker(xnioWorker);

    servletBuilder.addServletContextAttribute(ATTRIBUTE_NAME, webSockets);

...

    final DeploymentManager manager = defaultContainer().addDeployment(servletBuilder);
    manager.deploy();

    // Not sure if it matters, but I don't use a path handler
    Undertow server = Undertow.builder()
            .addHttpListener("8080", "localhost")
            .setHandler(manager.start())
            .build();
    server.start();
}

// Not sure if you are using the annotations... including it anyway... I think at least the path parameter has to be defined (interceptors can also be defined in servlet init param)... Atmosphere didn't pick the handler in my case when left out
@Singleton
@ManagedService(
    path = "/{id}",
    broadcasterCache = UUIDBroadcasterCache.class,
    interceptors = {AtmosphereResourceLifecycleInterceptor.class, CorsInterceptor.class, TrackMessageSizeInterceptor.class, SuspendTrackerInterceptor.class},
    broadcaster = SimpleBroadcaster.class)
public class Chat {
...
}

[/java]

... and then on the client side:

[javascript]

var globalCallback = function (response) {
    // do something
};

var roomId = '123';

var rq = $.atmosphere.subscribe('http://localhost:8080/chat/' + roomId, globalCallback, $.atmosphere.request = {
    enableXDR: true,
    logLevel: 'debug',
    contentType: 'application/json',
    transport: 'websocket',
    onError: function (response) {
    },
    onClose: function (response) {
    },
    onOpen: function (response) {
    },
    onMessage: function (response) {
    },
    onReopen: function (request, response) {
    },
    onReconnect: function (request, response) {
    },
    onMessagePublished: function (response) {
    },
    onTransportFailure: function (reason, request) {
    },
    onLocalMessage: function (request) {
    },
    onFailureToReconnect: function (request, response) {
    },
    onClientTimeout: function(request){
    },
    callback: function () {
    }
});

[/javascript]

Note: I am using the latest 2.2.0-RC1 jars with Atmosphere JQuery 2.2.0

Hope it helps...

Cheers,

Aleks

On 13.05.2014 14:54, Dragan Jotanovic wrote:

Hi,

I'm struggling to make simple chat atmosphere application to work with embedded undertow.

The app seems to connect to websocket, and requests are passing through to AtmosphereHandler but response never reaches client. I suppose that I'm missing something in my undertow configuration but don't know what. Same code works when dropped into Tomcat or Jetty.

Here is my bootstrap class:

public class Bootstrap {

    public static void main(String[] args) throws Exception {

        // deploy to undertow

        DeploymentInfo servletBuilder = Servlets.deployment()

                .setClassLoader(Bootstrap.class.getClassLoader())

                .setContextPath("")

                .setDeploymentName("chat")

                .setDefaultEncoding("UTF-8")

                .setUrlEncoding("UTF-8")

                .setResourceManager(new FileResourceManager(new File(""), 0))

                .addWelcomePage("index.html");

        servletBuilder.addServlet(Servlets.servlet("AtmosphereServlet", AtmosphereServlet.class)

                .addInitParam("org.atmosphere.cpr.AtmosphereHandler", "org.atmosphere.samples.chat.Chat")

                .addMapping("/chat/*")

                .setAsyncSupported(true));

        final WebSocketDeploymentInfo webSocketDeploymentInfo = new WebSocketDeploymentInfo();

        servletBuilder.addServletContextAttribute(WebSocketDeploymentInfo.ATTRIBUTE_NAME, webSocketDeploymentInfo);

        DeploymentManager manager = Servlets.defaultContainer().addDeployment(servletBuilder);

        manager.deploy();

        HttpHandler servletHandler = manager.start();

        PathHandler path = Handlers.path(Handlers.redirect("/")).addPrefixPath("/", servletHandler);

        Undertow server = Undertow.builder()

                .addHttpListener(8080, "0.0.0.0")

                .setHandler(path)

                .build();

        server.start();

    }

}

Does anyone know how to properly configure websockets support so that it works with Atmosphere Framework?

Complete example can be seen here:

https://github.com/djotanov/atmosphere-undertow

Regards,

Dragan

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