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Mongodb is not connecting to Node.js and no error messages

I’m new to node.js and MongoDB. Installed all packages as says in a YouTube tutorial. I tried a lot to connect **MongoDB **with node.js. but, there is no error messages and not connected. I have downloaded **Mongo Shell ** also. everything works perfectly, the connection message is not displaying. It works on my command prompt. But not in vs code. I’m creating a sample project with express generator. What’s wrong with my code?

Here is my code…

    var express = require('express');
var router = express.Router();
var MongoClient = require('mongodb').MongoClient


/* GET home page. */
router.get('/', function(req, res, next) {
  res.render('index', { title: 'Express' });
});

router.post('/signup', function(req, res) {
  console.log(req.body);


  MongoClient.connect('mongodb://localhost:27017', function(err, client){
    if(err)
      console.log('error')
    else
      console.log('mongodb connected...')
  })

  
  res.send('Got it.')
})
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2

Answers


  1. 0
    1. Check if your instance requires authentication.
    2. Check if your local instance in daemon mode
    3. Check if this URI connect on mongodb atlas
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  2. 0

    Try my simple code below,
    If work it says "Connected successfully to server" in the console log
    It is only the first step…

    //const { MongoClient } = require('mongodb');
// or as an es module:
import { MongoClient } from 'mongodb'

// Connection URL
const url = 'mongodb://localhost:27017';
const client = new MongoClient(url);

// Database Name
const dbName = 'myProject';

async function main() {
    // Use connect method to connect to the server
    await client.connect();
    console.log('Connected successfully to server');
    const db = client.db(dbName);
    const collection = db.collection('documents');

   
    return 'done.';
}

main()
    .then(console.log)
    .catch(console.error)
    .finally(() => client.close());
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