Node.js Debugging js:183

Question

As a primer, I'm new to node and I have tried npm install ws@3.3.2 --save-dev --save-exact from https://github.com/ionic-team/ionic-cli/issues/2922 for resolving the below issue.

 node server.js

Creating new shopping list item
Creating new shopping list item
Creating new shopping list item
events.js:183
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE :::8080
    at Object._errnoException (util.js:1022:11)
    at _exceptionWithHostPort (util.js:1044:20)
    at Server.setupListenHandle [as _listen2] (net.js:1351:14)
    at listenInCluster (net.js:1392:12)
    at Server.listen (net.js:1476:7)
    at Function.listen (C:\Users\Rob\WebProjects\npm-script-example\node-shoppin                                                                                                                g-list-v1\node_modules\express\lib\application.js:618:24)
    at Object.<anonymous> (C:\Users\Rob\WebProjects\npm-script-example\node-shop                                                                                                                ping-list-v1\server.js:34:5)
    at Module._compile (module.js:643:30)
    at Object.Module._extensions..js (module.js:654:10)
    at Module.load (module.js:556:32)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-shopping-list-v1@0.0.1 start: `node server.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-shopping-list-v1@0.0.1 start script.
npm ERR! This is probably not a problem with npm. There is likely additional log                                                                                                                ging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Rob\AppData\Roaming\npm-cache\_logs\2018-01-25T05_03_00_40                                                                                                                4Z-debug.log

My repo is here...for what it's worth I'm on Windows. How should I resolve the js.183 error?

Answer 1

Your error is, Error: listen EADDRINUSE :::8080 so something else is already running on port 8080. You will need to find out what is using it, you can run the following in an elevated command prompt on Windows: netstat -a -b

Once you have identified what is running on that port, you will need to kill it, or if it is something you need to keep running, you will need to choose a different port for your app to run on.

Answer 2

I replaced IP address with localhost and it worked for me:

BEFORE:

server.listen(3000, '**old ip address**');

AFTER:

server.listen(3000, '**localhost**');

I tried many solutions but none of them worked. Try this I hope it will help.