I have example project StockWatcher using requestbuilder to
communicate with servlet (http://code.google.com/intl/pl-PL/webtoolkit/
doc/latest/tutorial/JSON.html). I want to make servlet asynchronous. I
have added the following lines to the doGet method:
final AsyncContext ac = request.startAsync();
ac.setTimeout(1 * 60 * 1000);
ac.addListener(new AsyncListener() {
@Override
public void onError(AsyncEvent arg0) throws IOException {
System.out.println("onError");
}
public void onComplete(AsyncEvent event) throws IOException {
System.out.println("onComplete");
queue.remove(ac);
}
public void onTimeout(AsyncEvent event) throws IOException {
System.out.println("onTimeout");
queue.remove(ac);
}
@Override
public void onStartAsync(AsyncEvent arg0) throws IOException {
System.out.println("onStartAsync");
}
});
queue.add(ac);
added asynchronous annotation: @WebServlet(asyncSupported=true) and
changed the rest of doGet method with:
PrintWriter out = ac.getResponse().getWriter();
out.println("Something");
out.flush();
Now there is nothing returning. What do I wrong? Have to change
something in client side? Glassfish 3 does not show any errors.
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