工作环境：
操作系统：Windows 10
IDE：IntelliJ 2020.2
npm：6.14.6
节点：12.18.3
Angular ：8.3.28
以下是npm run serve-命令的输出
An unhandled exception occurred: listen EACCES: permission denied 127.0.0.1:4201
See "C:\Users\user\AppData\Local\Temp\ng-KxIEvo\angular-errors.log" for further details.
npm ERR! code ELIFECYCLE
npm ERR! syscall spawn
npm ERR! file C:\WINDOWS\system32\cmd.exe
npm ERR! errno ENOENT
npm ERR! [email protected] serve: `ng serve --proxy-config proxy.conf.local.json --port 4201`
npm ERR! spawn ENOENT
npm ERR!
npm ERR! Failed at the [email protected] serve script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\user\AppData\Roaming\npm-cache\_logs\2020-12-02T10_05_54_238Z-debug.log在调试日志的输出之后
12 verbose stack Error: [email protected] serve: `ng serve --proxy-config proxy.conf.local.json --port 4201
12 verbose stack spawn ENOENT
12 verbose stack at ChildProcess.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:48:18)
12 verbose stack at ChildProcess.emit (events.js:315:20)
12 verbose stack at maybeClose (internal/child_process.js:1021:16)
12 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)根据angular-errors.log的输出，
[error] Error: listen EACCES: permission denied 127.0.0.1:4201
at Server.setupListenHandle [as _listen2] (net.js:1296:21)
at listenInCluster (net.js:1361:12)
at GetAddrInfoReqWrap.doListen [as callback] (net.js:1498:7)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:68:8)尝试的解决方案：
- 根据输出，在主目录（127.0.0.1）上的CMD >端口4200上运行
netstat未被使用 - 仅使用物理网络接口，并取消了其他接口（如Hyper-V，VirtualBox接口等）
- 重新启动整个系统>工作，但不满意，如果有另一个答案，可以帮助正是什么是阻塞，这将是有趣的
其他可见SO贡献
1条答案
按热度按时间0s0u357o1#
对于Windows用户，请执行以下步骤：
winnat“服务：