在使用'create-react-app'新创建的应用程序上使用'npm start test_app'时遇到此错误。这个问题也出现在我以前使用create-react-app创建的项目上。我试过将node版本更新到V8.9.1，将npm版本更新到5.5.1。问题仍然存在。

test_app@0.1.0 start/home/user/test_app react-scripts启动

Starting the development server...

events.js:160
      throw er; // Unhandled 'error' event
      ^

Error: watch /home/user/test_app/public ENOSPC
    at exports._errnoException (util.js:1012:11)
    at FSWatcher.start (fs.js:1429:19)
    at Object.fs.watch (fs.js:1456:11)
    at createFsWatchInstance (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:37:15)
    at setFsWatchListener (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:80:15)
    at FSWatcher.NodeFsHandler._watchWithNodeFs (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:228:14)
    at FSWatcher.NodeFsHandler._handleDir (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:407:19)
    at FSWatcher.<anonymous> (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:455:19)
    at FSWatcher.<anonymous> (/home/user/test_app/node_modules/chokidar/lib/nodefs-handler.js:460:16)
    at FSReqWrap.oncomplete (fs.js:123:15)

npm ERR! Linux 4.4.0-81-generic
npm ERR! argv "/usr/local/nodejs/bin/node" "/usr/local/nodejs/bin/npm" "start"
npm ERR! node v6.3.1
npm ERR! npm  v3.10.3
npm ERR! code ELIFECYCLE
npm ERR! test_app@0.1.0 start: `react-scripts start`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the test_app@0.1.0 start script 'react-scripts start'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the test_app package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     react-scripts start
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs test_app
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls test_app
npm ERR! There is likely additional logging output above.

我在使用create-react-app创建应用程序后运行'npm install'时收到以下警告（这可能是相关的，因为抛出错误的chokidar是fs.watch的包装器）:

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.1.2 (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.2: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})