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I'm having trouble trying to connect mongodb's localhost to Node. I've tried all kinds of solutions and none of them solve the problem, I honestly don't know what to do anymore. Sorry if I asked the question wrong, I'm new. Attached the error that the console throws me:

enter image description here

I attach my code:


        var mongoose = require('mongoose');

        mongoose.set('useFindAndModify', false);

        mongoose.Promise = global.Promise;

        mongoose.connect('mongodb://localhost:27017/portafolio', {useNewUrlParser:true, 
        useUnifiedTopology: true})
        .then(() => {
        console.log('Conexion a la base de datos establecida');
         });
        .catch(err => console.log(err));
hoangdv
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RipollX
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    is mongodb running and the database you are trying to access created when you run your script? – thebigfundamentals Jun 29 '21 at 00:18
  • Yes, mongodb is running and the database its already created – RipollX Jun 29 '21 at 00:20
  • Can you please provide info on how this is running? Also, have you tried commenting out `useUnifiedTopology`? calling it just like `mongoose.connect('mongodb://localhost:27017/portafolio', {useNewUrlParser: true});`. Not sure if it would solve the problem, but I've read something about it. Edit: may be... https://stackoverflow.com/questions/20386464/econnrefused-error-when-connecting-to-mongodb-from-node-js – thebigfundamentals Jun 29 '21 at 00:27
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    ECONNREFUSED means the operating system active rejected the connection because there was not process listening on the requested port – Joe Jun 29 '21 at 00:49
  • Thanks for the contribution, I tried the solution you told me, it didn't work, I also read the post you shared, I didn't find a solution either ... – RipollX Jun 29 '21 at 01:10
  • Provide the way you confirm that the mongo service is running. – hoangdv Jun 29 '21 at 01:28
  • I did not understand, what do you mean? – RipollX Jun 29 '21 at 01:30
  • I have mongod open, the service is running (check it in services, inside "system tools") – RipollX Jun 29 '21 at 01:32
  • are you running mongoDB from the terminal shell by calling `mongo`, then setting the database to `portafolio` by `use portafolio`? – thebigfundamentals Jun 29 '21 at 02:05
  • This is what I do: - Manually start "mongod" in the file folder of mongodb -Then I start Robo 3T and start the localhost server. - Then I run "npm start" in the terminal – RipollX Jun 29 '21 at 02:37
  • Ok. I suggest to you to install MongoDB Community Edition https://docs.mongodb.com/manual/tutorial/install-mongodb-on-windows/ , then run mongo in your terminal by simply calling `mongo`, and it will give you something like this: `connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb`. call `use portafolio` on the mongo terminal to set to portafolio database. Start your script in a new terminal, then you are probably going to be able to connect to it with mongoose. – thebigfundamentals Jun 29 '21 at 03:02
  • Please don't paste screenshots, use formatted text. See https://meta.stackoverflow.com/a/285557/3027266 – Wernfried Domscheit Jun 29 '21 at 07:49
  • Is your app listening as below? How are you running your app (node app.js or similar command)? app.listen(8000, function () { console.log('Example app listening on port 8000!') }) – jamesonrunnels Jun 29 '21 at 02:35

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