求助Tomcat7.0.94，jdk1.7下使用Websocket

[qq_43482446]

通过继承WebSocketServlet实现webSocket服务，但是浏览器报NewFile.html:12 WebSocket connection to 'ws://127.0.0.1:8443/Socket' failed: Error during WebSocket handshake: net::ERR_INVALID_HTTP_RESPONSE错误