当我尝试在Express.js
中启动服务器时,我收到以下错误:
[nodemon] 2.0.12
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): *.*
[nodemon] watching extensions: js,mjs,json
[nodemon] starting `node main listen.js`
events.js:352
throw er; // Unhandled 'error' event
^
Error: listen EACCES: permission denied 0.0.0.0:8090
at Server.setupListenHandle [as _listen2] (net.js:1303:21)
at listenInCluster (net.js:1368:12)
at Server.listen (net.js:1454:7)
at Function.listen (C:\Users\selcuk\Desktop\work\project\node_modules\express\lib\application.js:618:24)
at Object.<anonymous> (C:\Users\selcuk\Desktop\work\project\listen.js:4:5)
at Module._compile (internal/modules/cjs/loader.js:1085:14)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
at Module.load (internal/modules/cjs/loader.js:950:32)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)
Emitted 'error' event on Server instance at:
at emitErrorNT (net.js:1347:8)
at processTicksAndRejections (internal/process/task_queues.js:82:21) {
code: 'EACCES',
errno: -4092,
syscall: 'listen',
address: '0.0.0.0',
port: 8090
}
[nodemon] app crashed - waiting for file changes before starting...
我尝试更改端口,但它不工作。我正在使用“express”:“^4.17.1”和“nodemon”:“^2.0.12”作为版本。
2条答案
按热度按时间up9lanfz1#
有些情况下,端口上没有运行任何东西,但某些应用程序甚至您的代码无法运行。
1.以管理员身份打开PowerShell。
1.停止winnat与:第一个月
1.重新启动winnat:
net start winnat
nnsrf1az2#
如果要从环境变量阅读端口,请先将其转换为数字: