MongoError : Server 127.0.0.1:3000 timed out at null - node.js

Question

I am getting an error in cmd when i run "node app.js" command.
"facebook-auth\express-authentication" is my path to NodeJS project.
I run my MongoDB and i think it is working fine.
and
When i use "node app.js" command in starting then my "http://127.0.0.1:3000" server work fine but when i close all connections and try to restart mongoDB then is error occur everytime.
I don't know how to solve this problem and this project is running fine in starting on http://127.0.0.1:3000. But don't know what happened know. I closed my MongoDB using Ctrl+C.
After adding this code
// When successfully connected
mongoose.connection.on('connected', function () { console.log('Mongoose default connection open to ' + dbURI); });
// If the connection throws an error
mongoose.connection.on('error',function (err) { console.log('Mongoose default connection error: ' + err); });
to app.js it shows this:
Showing an error and website authentication not work properly(But website is running now). It don't get callback information from localhost or 127.0.0.1. It keeps waiting for response for localhost and callback doesn't complete (stuck there).
I follow this tutorial :Here and project is working fine.
"Is this a conflict between xampp or mongoDB or nodeJS"
App.js file linked Here
Thanks in advance for help.

Answer 1

Waiting for connections on port 27017.
Vs.
Server 127.0.0.1:3000 timed out.
Don't let me think everything is fine.
You either have to change the port, where app.js is connecting to, to Mongo's standard port 27017, or start mongod with --port 3000 to listen on port 3000.

Answer 2

I was facing the same problem and this is what I got each time I run my app.
/home/sarojs/projects/ror/liveProject/bq-ng/brandqast- ng/node_modules/mongoose/node_modules/mongodb/lib/server.js:242
process.nextTick(function() { throw err; })
^
MongoError: server 127.0.0.1:8080 timed out
at null.<anonymous> (/home/sarojs/projects/ror/liveProject/bq-ng/brandqast-ng/node_modules/mongoose/node_modules/mongodb/node_modules/mongodb-core/lib/topologies/server.js:436:40)
at emitTwo (events.js:87:13)
at emit (events.js:172:7)
at null.<anonymous> (/home/sarojs/projects/ror/liveProject/bq-ng/brandqast-ng/node_modules/mongoose/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:144:10)
at g (events.js:260:16)
at emitTwo (events.js:87:13)
at emit (events.js:172:7)
at Socket.<anonymous> (/home/sarojs/projects/ror/liveProject/bq-ng/brandqast-ng/node_modules/mongoose/node_modules/mongodb/node_modules/mongodb-core/lib/connection/connection.js:172:12)
at Socket.g (events.js:260:16)
at emitOne (events.js:77:13)
at Socket.emit (events.js:169:7)
at TCP._onclose (net.js:469:12)
I found that the mongoDB URI that I was setting was 8080 as port no.
I simply changed the port to 27017 as it is the default port. It worked perfectly fine.