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我在我的防火牆上運行了120端口,並且在我的服務器上打開ufw端口(Ubuntu 16.04) 但運行此代碼時;Socket.io EADDRNOTAVAIL錯誤
var app = require('express')();
var http = require("http").createServer(app);
var io = require("socket.io")(http);
http.listen(120, "xxxx.xxx.xx");
io.on('connection',function(socket){
console.log("A user is connected");
});
我得到這個錯誤;
throw er; // Unhandled 'error' event
^
Error: listen EADDRNOTAVAIL xxxx.xxxxxx:120
at Object.exports._errnoException (util.js:870:11)
at exports._exceptionWithHostPort (util.js:893:20)
at Server._listen2 (net.js:1224:19)
at listen (net.js:1273:10)
at net.js:1382:9
at nextTickCallbackWith3Args (node.js:452:9)
at process._tickCallback (node.js:358:17)
at Function.Module.runMain (module.js:444:11)
at startup (node.js:136:18)
at node.js:966:3
我得到一些錯誤先生。我嘗試了3000端口。但我也得到了一些錯誤:(這個代碼塊在Digital Ocen上工作,但不能在微軟Azure上工作.. –
當我寫sudo netstat -plnt | grep'時有一樣東西:120'我沒有得到任何東西 –