CODEWITHSUNDEEP
javascripthtmlnode.jsgulp
Tal
Tal

Reputation: 235

NodeJS , gulp , Error: listen EADDRINUSE :::3000

i am working with NodeJS and i am using gulp.

My foler look like that : 

Root 
  dist
  node_modules
  src
    index.html
  gulpfile.js
  package.json

My gulpfile is :

"use strict";

var gulp = require('gulp');
var connect = require('gulp-connect'); // runs a local dev server 
var open = require('gulp-open'); // open a URL in a web browser

var config ={
    port : 3000,
    devBaseUrl : 'http://localhost',
    paths:{
        html:'./src/*.html',
        dist:'./dist'
    }
}

//Start a local development server 
gulp.task = ('connect' , function(){
    connect.server({
        root:['dist'],
        port: config.port,
        base: config.devBaseUrl,
    }); 
});

gulp.task('open', ['connect'], function(){
    gulp.src('dist/index.html').pipe(open({uri: config.devBaseUrl + ":" + config.port + '/'}))
});

gulp.task('html',function(){
    gulp.src(config.paths.html)
        .pipe(gulp.dest(config.paths.dist))
        .pipe(connect.reload());
});

gulp.task('default', ['html', 'open']);

When i am type 'gulp' in the cmd i get this error : 

C:\Users\maor\Documents\NodeProject\2>gulp
[13:18:28] Using gulpfile ~\Documents\NodeProject\2\gulpfile.js
[13:18:28] Server started http://localhost:3000
events.js:160
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE :::3000
    at Object.exports._errnoException (util.js:1018:11)
    at exports._exceptionWithHostPort (util.js:1041:20)
    at Server._listen2 (net.js:1262:14)
    at listen (net.js:1298:10)
    at Server.listen (net.js:1394:5)
    at ConnectApp.server (C:\Users\maor\Documents\NodeProject\2\node_modules\gulp-connect\index.js:57:19)
    at new ConnectApp (C:\Users\maor\Documents\NodeProject\2\node_modules\gulp-connect\index.js:37:10)
    at Object.server (C:\Users\maor\Documents\NodeProject\2\node_modules\gulp-connect\index.js:170:12)
    at Gulp.gulp.task (C:\Users\maor\Documents\NodeProject\2\gulpfile.js:18:10)
    at Object.<anonymous> (C:\Users\maor\Documents\NodeProject\2\gulpfile.js:29:6)

I really dont know what the problem is , i already checked and the port : 3000 is free. can you guys help me figure what the problem is ?

Upvotes: 0

Views: 7979

Answers (3)

Chiamaka Nwolisa
Chiamaka Nwolisa

Reputation: 971

Or better still you can change the port number to something else like 8000.

Upvotes: 4

Bhaurao Birajdar
Bhaurao Birajdar

Reputation: 1507

This problem arise, when node process already running on the port.

You can fix it by

pkill node

OR you can use this

killall node

you still see node process with this command: ps aux | grep node.

If you are using windows, then open task manager & in process tab, search node & right click on that process & end process.

Surely it will work.

Upvotes: 4

onesc
onesc

Reputation: 71

Are you running any other applications that might be using port 3000?

It's possible that a previous instance of node may still be running, even if you intended to kill it. Check your processes, I sometimes get this issue and generally use

killall node

to resolve it.

Upvotes: 7

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