});
// servletHolder.setInitParameter("application", "hms.ctap.simulator.SimulatorApplication");
servletHolder.setInitParameter("widgetset", "hms.ctap.mtracker.plugin.MTrackerWidgetset");
context.addServlet(servletHolder, "/simulator/*");
context.addServlet(servletHolder, "/VAADIN/*");
context.addServlet(new ServletHolder(new UssdMessageReceiver()), "/ussd/");
context.addServlet(new ServletHolder(new SmsMessageReceiver()), "/sms/");
server.start();
server.join();