java.lang.ClassNotFoundException: org.eclipse.jetty.websocket.server.WebSocketServerFactory
问题 Server server = new Server(9090); ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS); context.setContextPath("/"); server.setHandler(context); // Add the echo socket servlet to the /echo path map context.addServlet(new ServletHolder(HelloWorldWebSocket.EchoServlet.class),"/echo"); try { server.start(); context.dumpStdErr(); server.join(); } catch (Exception e) { // TODO Auto-generated catch block } public class HelloWorldWebSocket { @WebSocket public