我开始研究 React，并尝试使用 create-react-app 工具创建一个新的 React 应用程序。创建成功后，我使用 npm start 并出现以下消息:
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! <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="96e4f3f7f5e2bbe2e3e2d6a6b8a7b8a6" rel="noreferrer noopener nofollow">[email protected]</a> start: `react-scripts start`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="9eecfbfffdeab3eaebeadeaeb0afb0ae" rel="noreferrer noopener nofollow">[email protected]</a> 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\Diego\AppData\Roaming\npm-cache\_logs\2020-07-09T20_07_11_717Z-debug.log
日志文件显示:
0 info it worked if it ends with ok
1 verbose cli [
1 verbose cli 'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli 'C:\\Users\\Diego\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli 'start'
1 verbose cli ]
2 info using <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="2a445a476a1c041b1e041c" rel="noreferrer noopener nofollow">[email protected]</a>
3 info using <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="2e40414a4b6e581f1c001f16001f" rel="noreferrer noopener nofollow">[email protected]</a>
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="81f3e4e0e2f5acf5f4f5c1b1afb0afb1" rel="noreferrer noopener nofollow">[email protected]</a>~prestart: <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3042555153441d44454470001e011e00" rel="noreferrer noopener nofollow">[email protected]</a>
6 info lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5f2d3a3e3c2b722b2a2b1f6f716e716f" rel="noreferrer noopener nofollow">[email protected]</a>~start: <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4c3e292d2f38613839380c7c627d627c" rel="noreferrer noopener nofollow">[email protected]</a>
7 verbose lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="b2c0d7d3d1c69fc6c7c6f2829c839c82" rel="noreferrer noopener nofollow">[email protected]</a>~start: unsafe-perm in lifecycle true
8 verbose lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d4a6b1b5b7a0f9a0a1a094e4fae5fae4" rel="noreferrer noopener nofollow">[email protected]</a>~start: PATH: C:\Users\Diego\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\Users\Diego\Desktop\Programação\Javascript\reactApp\react-tut\node_modules\.bin;C:\Python38\Scripts\;C:\Python38\;C:\Program Files\Java\jdk-13.0.2\bin;C:\Program Files\Apache Software Foundation\apache-maven-3.6.3\bin;C:\Program Files\Git\bin;C:\Users\Diego\anaconda3\Scripts;C:\ProgramData\chocolatey\bin;node_modules\npm\bin;C:\Users\Diego\AppData\Roaming\nvm;C:\Program Files\nodejs;C:\Users\Diego\AppData\Local\Programs\Python\Python38-32\Scripts\;C:\Users\Diego\AppData\Local\Programs\Python\Python38-32\;C:\Users\Diego\AppData\Local\Programs\Microsoft VS Code\bin;C:\Users\Diego\AppData\Roaming\npm;C:\Users\Diego\AppData\Roaming\nvm;C:\Program Files\nodejs
9 verbose lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5a283f3b392e772e2f2e1a6a746b746a" rel="noreferrer noopener nofollow">[email protected]</a>~start: CWD: C:\Users\Diego\Desktop\Programação\Javascript\reactApp\react-tut
10 silly lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c0b2a5a1a3b4edb4b5b480f0eef1eef0" rel="noreferrer noopener nofollow">[email protected]</a>~start: Args: [ '/d /s /c', 'react-scripts start' ]
11 silly lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="1e6c7b7f7d6a336a6b6a5e2e302f302e" rel="noreferrer noopener nofollow">[email protected]</a>~start: Returned: code: 1 signal: null
12 info lifecycle <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="97e5f2f6f4e3bae3e2e3d7a7b9a6b9a7" rel="noreferrer noopener nofollow">[email protected]</a>~start: Failed to exec start script
13 verbose stack Error: <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c2b0a7a3a1b6efb6b7b682f2ecf3ecf2" rel="noreferrer noopener nofollow">[email protected]</a> start: `react-scripts start`
13 verbose stack Exit status 1
13 verbose stack at EventEmitter.<anonymous> (C:\Users\Diego\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\index.js:332:16)
13 verbose stack at EventEmitter.emit (events.js:315:20)
13 verbose stack at ChildProcess.<anonymous> (C:\Users\Diego\AppData\Roaming\npm\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack at ChildProcess.emit (events.js:315:20)
13 verbose stack at maybeClose (internal/child_process.js:1021:16)
13 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:286:5)
14 verbose pkgid <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="6b190e0a081f461f1e1f2b5b455a455b" rel="noreferrer noopener nofollow">[email protected]</a>
15 verbose cwd C:\Users\Diego\Desktop\Programação\Javascript\reactApp\react-tut
16 verbose Windows_NT 10.0.18363
17 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Diego\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "start"
18 verbose node v12.18.1
19 verbose npm v6.14.6
20 error code ELIFECYCLE
21 error errno 1
22 error <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d2a0b7b3b1a6ffa6a7a692e2fce3fce2" rel="noreferrer noopener nofollow">[email protected]</a> start: `react-scripts start`
22 error Exit status 1
23 error Failed at the <a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="6210070301164f16171622524c534c52" rel="noreferrer noopener nofollow">[email protected]</a> start script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 1, true ]
我已经看过其他答案，但找不到解决方案。如果您能帮助我，我将不胜感激!
最佳答案
将 C:\Windows\System32 添加到全局 %PATH% 环境变量:它对我有用
关于node.js - Npm启动错误: events. js:292抛出未处理的异常，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/62823508/