public boolean start() {
		try {
			this.setServer(new Server(this.getPort()));
			ServletContextHandler servletContextHandler = new ServletContextHandler();
			ServletHolder servletHolder = servletContextHandler.addServlet(
					DispatcherServlet.class, "/");
			servletHolder
					.setInitParameter("contextConfigLocation",
							"classpath:/elec/calculation/application-context.xml");
			servletHolder.setInitOrder(1);
			this.getServer().setHandler(servletContextHandler);
			this.getServer().start();
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}