public void process(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
        final RackApplicationFactory rackFactory = context.getRackFactory();
        RackApplication app = null;
        try {
            app = rackFactory.getApplication();
            RackEnvironment env = new ServletRackEnvironment(request);
            RackResponse rack_resp = app.call(env);
            Object obj = env.getAttribute("async");
            if (obj == null) {
              rack_resp.respond(new ServletRackResponseEnvironment(response));
            } else {
              //JavaEmbedUtils.rubyToJava(app, );
              // mark the request asynchronous and properly clean up.
              if (request.isAsyncSupported() == true){
                 AsyncContext ctx = request.startAsync();
              }
            }
        } catch (Exception re) {
            handleException(re, rackFactory, request, response);
        } finally {
            if (app != null) {
                rackFactory.finishedWithApplication(app);
            }
        }
    }