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Mongodb – MongooseServerSelectionError: connect ECONNREFUSED ::1:27017, connect ECONNREFUSED 127.0.0.1:27017

Below is my implementation:

main file

const express  = require("express");
const path = require("path");;
const app = express();
const hbs = require("hbs");
require("./db/conn")
const port = process.env.PORT || 3000 ;

const static_path = path.join(__dirname,"../public");
const template_path = path.join(__dirname,"../templates/views");
const partials_path = path.join(__dirname,"../templates/partials");

app.use(express.static(static_path))
app.set("view engine", "hbs");
app.set("views",template_path);
hbs.registerPartials(partials_path);

app.get("/"  , (req,res)=> {
    res.render("index")
}
);

app.listen(port, () => {
    console.log(`server is running at port no ${port}`)
})

conn.js file for mongodb connection

const mongoose = require("mongoose");

mongoose.connect("mongodb://localhost:27017/youtubeRegistration" , {
    // useNewUrlParser : true,
    // useUnifiedTopology: true,
    // useCreateIndex : true
}).then(() =>{
    console.log(`connection successful`);
}).catch((e)=>{
    console.log(`no connection ${e}`)
})

error

no connection MongooseServerSelectionError: connect ECONNREFUSED ::1:27017, connect ECONNREFUSED 127.0.0.1:27017

service stopped with the following error:

Windows could not start the mongoDB server (mongoDB) service on local computer

Error 1067 : the process terminated unexpectedly
Tags:

2

Answers


  1. 0

    Go to Win Services and look for MongoDB Server (MongoDB)

    Disable it .. then restart the service

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  2. 0

    Here is your revised conn.js file

    const mongoose = require("mongoose");  
  
// Connection URI  
const uri = "mongodb://localhost:27017/youtubeRegistration";  
  
// Connect to MongoDB  
mongoose.connect(uri, {  
    useNewUrlParser: true,  
    useUnifiedTopology: true,  
})  
.then(() => {  
    console.log("Connection successful");  
})  
.catch((e) => {  
    console.error("No connection", e);  
});

    Below is your modified MainFile

    const express = require("express");  
const path = require("path");  
const hbs = require("hbs");  
require("./db/conn.js");  // Ensure this is the right path to your conn.js  
  
const app = express();  
const port = process.env.PORT || 3000;  
  
// Set up paths  
const static_path = path.join(__dirname, "../public");  
const template_path = path.join(__dirname, "../templates/views");  
const partials_path = path.join(__dirname, "../templates/partials");  
  
// Middleware  
app.use(express.static(static_path));  
app.set("view engine", "hbs");  
app.set("views", template_path);  
hbs.registerPartials(partials_path);  
  
// Routes  
app.get("/", (req, res) => {  
    res.render("index");  
});  
  
// Start server  
app.listen(port, () => {  
    console.log(`Server is running at port no ${port}`);  
});

    Troubleshooting steps:

    1. Ensure MongoDB is Installed and Running
    2. Check the MongoDB Service (restart if necessary)
    3. Check the Connection URI mongoose.connect('mongodb://localhost:27017/yourDatabaseName', { useNewUrlParser: true, useUnifiedTopology: true });
    4. Check if Firewall or Antivirus aren’t blocking connections
    5. Check MongoDB Configuration mongod.conf
    6. Reinstall MongoDB
    7. Try launching MongoDB from commandline "C:Program FilesMongoDBServer<version>binmongod.exe" --dbpath "C:datadb"
    Login or Signup to reply.
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