1、错误描述
events.js:167
throw er; // Unhandled 'error' event
^
Error: listen EADDRINUSE :::3000
at Server.setupListenHandle [as _listen2] (net.js:1286:14)
at listenInCluster (net.js:1334:12)
at Server.listen (net.js:1421:7)
at Object.<anonymous> (F:HworkspaceES6app.js:5:4)
at Module._compile (internal/modules/cjs/loader.js:688:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:699:10)
at Module.load (internal/modules/cjs/loader.js:598:32)
at tryModuleLoad (internal/modules/cjs/loader.js:537:12)
at Function.Module._load (internal/modules/cjs/loader.js:529:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:741:12)
Emitted 'error' event at:
at emitErrorNT (net.js:1313:8)
at process._tickCallback (internal/process/next_tick.js:63:19)
at Function.Module.runMain (internal/modules/cjs/loader.js:744:11)
at startup (internal/bootstrap/node.js:285:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:739:3)
2、错误原因
由于运行这个Node.js,3000端口已经在运行监听,再次运行就会出现报错(之前未关闭)
const http = require('http')
http.createServer((req,res) => {
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.end("huhu");
}).listen(3000);
3、解决办法
先关闭之前的进程,然后再重新运行