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Event.js unhandeled error event

See original GitHub issue

I keep getting this error when running npm run dev, i’m using the browserify version

> woording-web@0.0.2 dev /Users/cor/Development/woording/woording-web
> watchify -vd -p browserify-hmr -e src/main.js -o dist/build.js & http-server -c 1 -a localhost

events.js:85
      throw er; // Unhandled 'error' event
            ^
Error: listen EADDRINUSE
    at exports._errnoException (util.js:746:11)
    at Server._listen2 (net.js:1156:14)
    at listen (net.js:1182:10)
    at net.js:1280:9
    at GetAddrInfoReqWrap.asyncCallback [as callback] (dns.js:81:16)
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:99:10)

npm ERR! Darwin 15.2.0
npm ERR! argv "node" "/usr/local/bin/npm" "run" "dev"
npm ERR! node v0.12.3
npm ERR! npm  v3.3.12
npm ERR! code ELIFECYCLE
npm ERR! woording-web@0.0.2 dev: `watchify -vd -p browserify-hmr -e src/main.js -o dist/build.js & http-server -c 1 -a localhost`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the woording-web@0.0.2 dev script 'watchify -vd -p browserify-hmr -e src/main.js -o dist/build.js & http-server -c 1 -a localhost'.
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 woording-web package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     watchify -vd -p browserify-hmr -e src/main.js -o dist/build.js & http-server -c 1 -a localhost
npm ERR! You can get their info via:
npm ERR!     npm owner ls woording-web
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/cor/Development/woording/woording-web/npm-debug.log