[英]Why am I getting this error when I try to start react?
I installed node JS in my device only last week and its version is 12.18.1 and npm version is 6.14.5.我上周才在我的设备上安装了节点 JS,它的版本是 12.18.1,npm 版本是 6.14.5。 npx create-react-app is working and I get all the node modules and other files but when I try to start it gives be following error.
npx create-react-app 正在工作,我得到了所有节点模块和其他文件,但是当我尝试启动它时出现以下错误。 PS: I changed the folder and then started as npm start.
PS:我改了文件夹然后启动为npm启动。
npm start
Starting the development server...
events.js:292
throw er; // Unhandled 'error' event
^
Error: spawn cmd ENOENT
at Process.ChildProcess._handle.onexit (internal/child_process.js:267:19)
at onErrorNT (internal/child_process.js:469:16)
at processTicksAndRejections (internal/process/task_queues.js:84:21)
Emitted 'error' event on ChildProcess instance at:
at Process.ChildProcess._handle.onexit (internal/child_process.js:273:12)
at onErrorNT (internal/child_process.js:469:16)
at processTicksAndRejections (internal/process/task_queues.js:84:21) {
errno: 'ENOENT',
code: 'ENOENT',
syscall: 'spawn cmd',
path: 'cmd',
spawnargs: [ '/s', '/c', 'start', '""', '/b', '"http://localhost:3000/"' ]
}
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! projectreact@0.1.0 start: `react-scripts start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the projectreact@0.1.0 start 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\2020-06-28T06_35_26_852Z-debug.log
Please help developers!!请帮助开发者!!
You can try using command:您可以尝试使用命令:
lsof -i: port number
lsof -i:端口号
to get list of all the processes running on the port.获取端口上运行的所有进程的列表。
And then kill the process using command kill -9 Process Id然后使用命令kill -9 Process Id 杀死进程
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