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Work around or fix for NPM Lite server with Linux error when starting Angular 2 Quick start

I cannot start lite-server 2.1.0 using npm on Ubuntu 14.04. I am trying to run the Angular2 Quick Start example.

This problem may be specific to Linux and has just begun after a recent Ubuntu update. I can successfully run Angular2 Quick Start on Windows 8.1. I tried various versions of NPM and Node without any changes in my results. Running the Angular Heroes example also fails with the same issue.

Any decision or temporary work is welcome.

After successfully translating typescript into javascript, here is the result of trying to start the lite server through npm:

npm run lite events.js:154 throw er; // Unhandled 'error' event ^ Error: watch node_modules/insight/node_modules/lodash/internal/baseForOwnRight.js ENOSPC at exports._errnoException (util.js:856:11) at FSWatcher.start (fs.js:1313:19) at Object.fs.watch (fs.js:1341:11) at createFsWatchInstance (/tf/sbtf/ang2-reg/node_modules/chokidar/lib/nodefs-handler.js:37:15) at setFsWatchListener (/tf/sbtf/ang2-reg/node_modules/chokidar/lib/nodefs-handler.js:80:15) at FSWatcher.NodeFsHandler._watchWithNodeFs (/tf/sbtf/ang2-reg/node_modules/chokidar/lib/nodefs-handler.js:228:14) at FSWatcher.NodeFsHandler._handleFile (/tf/sbtf/ang2-reg/node_modules/chokidar/lib/nodefs-handler.js:255:21) at FSWatcher.<anonymous> (/tf/sbtf/ang2-reg/node_modules/chokidar/lib/nodefs-handler.js:473:21) at FSReqWrap.oncomplete (fs.js:82:15) npm ERR! Linux 3.19.0-49-generic npm ERR! argv "/tf/node/bin/node" "/tf/node/bin/npm" "run" "lite" npm ERR! node v5.6.0 npm ERR! npm v3.7.2 npm ERR! code ELIFECYCLE npm ERR! ang2-reg@1.0.0 lite: `lite-server` npm ERR! Exit status 1

Here is the .json package. I upgraded lite-server to 2.1.0 to find out if this helps, but it doesn’t.

 { "name": "ang2-reg", "version": "1.0.0", "scripts": { "postinstall": "npm run typings install", "tsc": "tsc", "tsc:w": "tsc -w", "lite": "lite-server", "start": "concurrent \"npm run tsc:w\" \"npm run lite\" ", "typings" : "typings" }, "license": "ISC", "dependencies": { "angular2": "2.0.0-beta.6", "bootstrap": "^3.3.6", "systemjs": "0.19.20", "es6-promise": "^3.0.2", "es6-shim": "^0.33.3", "reflect-metadata": "0.1.2", "rxjs": "5.0.0-beta.0", "systemjs": "0.19.17", "zone.js": "0.5.14" }, "devDependencies": { "concurrently": "^1.0.0", "lite-server": "^2.1.0", "typescript": "^1.8.0", "typings":"^0.6.8" } }

Here's the typescript config:

 { "compilerOptions": { "target": "es5", "module": "system", "moduleResolution": "node", "sourceMap": true, "emitDecoratorMetadata": true, "experimentalDecorators": true, "removeComments": false, "noImplicitAny": false }, "exclude": [ "node_modules", "typings/main", "typings/main.d.ts" ] }

Here is the part of the error message from npm-debug.log:

 10 verbose lifecycle ang2-reg@1.0.0 ~lite: CWD: /tf/sbtf/ang2-reg 11 silly lifecycle ang2-reg@1.0.0 ~lite: Args: [ '-c', 'lite-server' ] 12 silly lifecycle ang2-reg@1.0.0 ~lite: Returned: code: 1 signal: null 13 info lifecycle ang2-reg@1.0.0 ~lite: Failed to exec lite script 14 verbose stack Error: ang2-reg@1.0.0 lite: `lite-server` 14 verbose stack Exit status 1 14 verbose stack at EventEmitter.<anonymous> (/tf/node/lib/node_modules/npm/lib/utils/lifecycle.js:239:16) 14 verbose stack at emitTwo (events.js:100:13) 14 verbose stack at EventEmitter.emit (events.js:185:7) 14 verbose stack at ChildProcess.<anonymous> (/tf/node/lib/node_modules/npm/lib/utils/spawn.js:24:14) 14 verbose stack at emitTwo (events.js:100:13) 14 verbose stack at ChildProcess.emit (events.js:185:7) 14 verbose stack at maybeClose (internal/child_process.js:827:16) 14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:211:5) 15 verbose pkgid ang2-reg@1.0.0 16 verbose cwd /tf/sbtf/ang2-reg 17 error Linux 3.19.0-49-generic 18 error argv "/tf/node/bin/node" "/tf/node/bin/npm" "run" "lite" 19 error node v5.6.0 20 error npm v3.7.2 21 error code ELIFECYCLE 22 error ang2-reg@1.0.0 lite: `lite-server` 22 error Exit status 1
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2 answers

I had the same error and I can solve it in ubuntu with the following steps:

Edit the file /etc/sysctl.conf and add the following line:

 fs.inotify.max_user_watches = 524288

Save the file and enter:

 sudo sysctl -p

And try running npm start again. :)

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If you are looking for a workaround, the idea is to use version 4.x for NodeJS.

Remove NodeJS 5.x

 sudo apt-get remove nodejs

Edit the source list to include node 4.x in the repo

 sudo nano /etc/apt/sources.list.d/nodesource.list

Then in the file change both lines:

 deb https://deb.nodesource.com/node_5.x vivid main deb-src https://deb.nodesource.com/node_5.x vivid main

For

 deb https://deb.nodesource.com/node_4.x vivid main deb-src https://deb.nodesource.com/node_4.x vivid main

Update repositories again

 sudo apt-get update

And reinstall node

 sudo apt-get install -y nodejs

Check the version of m, which should accept something like v4.3.1 or v4.xx

 node -v

Now you can run angular quickstart with

 npm start

Hope this is helpful.

EDIT: after installing version 4.x NodeJS

In the folder where you have the application:

 $ rm -r node_modules

And then

 npm install

It looks silly, but when you run npm install, it should compile certain modules and maybe (I don't know) a way to compile them with NodeJS versions.

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