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npm 报错：Error: ENOSPC: System limit for number of file watchers reached 的解决办法

ubuntu 系统中运行 npm run dev 命令遇到错误，报错信息如下：

代码语言：javascript代码运行次数：0运行复制
Error: ENOSPC: System limit for number of file watchers reached, watch '/www/wwwroot/booking.02405/vendor/phpunit/phpunit/src/Runner/ResultCache/Subscriber/TestPreparedSubscriber.php'
    at FSWatcher.<computed> (node:internal/fs/watchers:244:19)
    at Object.watch (node:fs:2315:34)
    at createFsWatchInstance (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50429:17)
    at setFsWatchListener (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50476:15)
    at NodeFsHandler._watchWithNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50631:14)
    at NodeFsHandler._handleFile (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50695:23)
    at NodeFsHandler._addToNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50937:21)
Emitted 'error' event on FSWatcher instance at:
    at FSWatcher._handleError (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:52130:10)
    at NodeFsHandler._addToNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50945:18) {
  errno: -28,
  syscall: 'watch',
  code: 'ENOSPC',

错误意思是系统监视的文件数量已达到限制！这是因为watch操作需要监听很多文件的改动，但是fedora、ubuntu等系统的文件句柄其实是有限制的。

解决办法是修改系统监控文件数，运行下面的命令即可：

代码语言：javascript代码运行次数：0运行复制
$ echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

npm 报错：Error: ENOSPC: System limit for number of file watchers reached 的解决办法

ubuntu 系统中运行 npm run dev 命令遇到错误，报错信息如下：

代码语言：javascript代码运行次数：0运行复制
Error: ENOSPC: System limit for number of file watchers reached, watch '/www/wwwroot/booking.02405/vendor/phpunit/phpunit/src/Runner/ResultCache/Subscriber/TestPreparedSubscriber.php'
    at FSWatcher.<computed> (node:internal/fs/watchers:244:19)
    at Object.watch (node:fs:2315:34)
    at createFsWatchInstance (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50429:17)
    at setFsWatchListener (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50476:15)
    at NodeFsHandler._watchWithNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50631:14)
    at NodeFsHandler._handleFile (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50695:23)
    at NodeFsHandler._addToNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50937:21)
Emitted 'error' event on FSWatcher instance at:
    at FSWatcher._handleError (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:52130:10)
    at NodeFsHandler._addToNodeFs (file:///www/wwwroot/booking.02405/node_modules/vite/dist/node/chunks/dep-24daf00c.js:50945:18) {
  errno: -28,
  syscall: 'watch',
  code: 'ENOSPC',

错误意思是系统监视的文件数量已达到限制！这是因为watch操作需要监听很多文件的改动，但是fedora、ubuntu等系统的文件句柄其实是有限制的。

解决办法是修改系统监控文件数，运行下面的命令即可：

代码语言：javascript代码运行次数：0运行复制
$ echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

本文标签： npm 报错Error ENOSPC System limit for number of file watchers reached 的解决办法

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