The servlet is OK, and I have solved the problem. And I would like to know how to set the maximum idle time of connection of websocket, and why the function ( onclose() )on server side can be called in windows operating system when I unplug the network cable, but the it can not be called in linux operating system.
-----邮件原件----- 发件人: Pid * [mailto:p...@pidster.com] 发送时间: 2012年11月23日 16:20 收件人: Tomcat Users List 主题: Re: two questions about websocket in tomcat7.0.30 On 23 Nov 2012, at 03:06, "zane_zh...@wistronits.com" <zane_zh...@wistronits.com> wrote: > Dears, > My PC environment are windows XP professional Version 2002 Service Pack 3, > JDK1.6, Tomcat7.0.30. > my Java web project is an internet online chat-room based on websocket. I run > the local-host service in Tomcat and then connect my chat-room in chrome, > if the connection between server and browser is OK, the websocket client side > function onopen() will pop up a message "open". > But, the point is if I open several pages at same time, I can see all of > pages pop up the message "open", it means every connection of page to server > is OK. > but when I try to send some words to server, The server has no response ( in > the other word, the server side function onTextMessage() is not called), > it happen in part of the pages not all of them. I would like to know if you > encounter the same problem. > Excuse me, the second question: how to set the maximum idle time of > connection of websocket. > The set up in server.xml does not work: > <Connector port="8080" protocol="HTTP/1.1" > connectionTimeout="5000" > redirectPort="8443" /> > <!-- A "Connector" using the shared thread pool--> > <!-- > <Connector executor="tomcatThreadPool" > port="8080" protocol="HTTP/1.1" > connectionTimeout="5000" > redirectPort="8443" /> > --> > > > These is part of the client side code: > function startWebSocket() { > if ('WebSocket' in window) > {ws = new WebSocket("ws://localhost:8080/MyWebSocket/mywebsocket.do"); > } > else if ('MozWebSocket' in window) > {ws = new > MozWebSocket("ws://localhost:8080/MyWebSocket/mywebsocket.do"); > } > else > alert("not support"); > > ws.onmessage = function(evt) { > alert(evt.data); > }; > ws.onopen = function(evt) { > alert("open"); > }; > ws.onclose = function(evt) { > alert("close"); > }; > > } How have you configured the WebSocket Servlet? p > And part of the server side code: > public class MyMessageInbound extends MessageInbound { > > @Override > protected void onBinaryMessage(ByteBuffer arg0) throws IOException { > // TODO Auto-generated method stub > > } > > @Override > protected void onTextMessage(CharBuffer msg) throws IOException { > System.out.println(msg.toString()); > for (MessageInbound messageInbound : InitServlet.getSocketList()) { > WsOutbound outbound = messageInbound.getWsOutbound(); > CharBuffer buffer = CharBuffer.wrap(msg); > outbound.writeTextMessage(buffer); > outbound.flush(); > } > } > > @Override > protected void onClose(int status) { > InitServlet.getSocketList().remove(this); > super.onClose(status); > System.out.println(getTime()+" connection is closed"); > } > > @Override > protected void onOpen(WsOutbound outbound) { > super.onOpen(outbound); > InitServlet.getSocketList().add(this); > System.out.println(getTime()+" connection is open"); > } > > public String getTime(){ > Date now = new Date(); > SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd > HH:mm:ss"); > String NowTime = dateFormat.format( now ); > return NowTime; > } > > } > > I would eagerly look forward to your reply. > ********************************************************************************************************************************************** > This e-mail is confidential for WistronITS corp. 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