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MongoError: bad auth : Authentication failed. at MessageStream.messageHandler (C:\Users\formi\Documents\code\portfolio--my-bubble-server\node_modules\mongodb\lib\cmap\connection.js:268:20) at MessageStream.emit (node:events:513:28) at MessageStream.emit (node:domain:489:12) at processIncomingData (C:\Users\formi\Documents\code\portfolio--my-bubble-server\node_modules\mongodb\lib\cmap\message_stream.js:144:12) at MessageStream._write (C:\Users\formi\Documents\code\portfolio--my-bubble-server\node_modules\mongodb\lib\cmap\message_stream.js:42:5) at writeOrBuffer (node:internal/streams/writable:392:12) at _write (node:internal/streams/writable:333:10) at MessageStream.Writable.write (node:internal/streams/writable:337:10) at TLSSocket.ondata (node:internal/streams/readable:766:22) at TLSSocket.emit (node:events:513:28) at TLSSocket.emit (node:domain:489:12) at addChunk (node:internal/streams/readable:324:12) at readableAddChunk (node:internal/streams/readable:297:9) at TLSSocket.Readable.push (node:internal/streams/readable:234:10) at TLSWrap.onStreamRead (node:internal/stream_base_commons:190:23) { ok: 0, code: 8000, codeName: 'AtlasError' } connection successful

import express from 'express'
import mongoose from 'mongoose'
import 'dotenv/config'
import { retrieveWhileTechCollection, retrieveWholeProjectCollection, 
retriveAllOfProjectAndTechCollections, retrivedataForLandingSite } from 
'./routes/retrieveData'
import updateMyData from './routes/updateMyData'
import cors from 'cors'

const app = express()
const port = process.env.PORT || 8001

app.use(cors())

app.use('/demo', retrieveWholeProjectCollection, retrieveWhileTechCollection)
app.use('/', retriveAllOfProjectAndTechCollections, updateMyData, retrivedataForLandingSite)

app.listen(port, () => console.log(`server started at http://localhost:${port}`))

mongoose.connect(process.env.MONGO_URI, {
  useCreateIndex: true, useNewUrlParser: true, useUnifiedTopology: true
}, () => console.log('connected to db'))

mongoose.connection
  .once('open', () => console.log('connection successful'))
  .on('error', (error) => console.log(error, 'connection successful'))

env file: MONGO_URI=mongodb+srv://username:password@cluster0.wvtkc.mongodb.net/?retryWrites=true&w=majority

Dennis Aleksandrov
  • 61
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  • 6
  • Checking just in case -- does the URL in your environment literally have the words "username" and "password", or have you substituted your actual username and password? – Tim Roberts Jul 23 '23 at 23:06
  • See this one: https://stackoverflow.com/questions/63754742/authentication-failure-while-trying-to-save-to-mongodb/63755470#63755470 – Wernfried Domscheit Jul 24 '23 at 06:14

0 Answers0