mongodb 셋팅 오류

[김성빈]

const express = require('express');

const app = express();
app.use(express.urlencoded({extended: true}));

const MongoClient = require('mongodb').MongoClient;
MongoClient.connect('mongodb+srv://admin:qwer1234@cluster0.gjme16c.mongodb.net/?retryWrites=true&w=majority', function(에러, client){
    if (에러) return console.log(에러);
    //서버띄우는 코드 여기로 옮기기
    app.listen('8080', function(){
      console.log('listening on 8080')
    });
  })

처음에 오류가 있어 고치니까 이제 오류가 안 뜨길래 됐나? 싶었는데
터미널 쪽에 console.log('listening on 8080') 가 뜨지 않아요 ㅠㅠ...

도와주세요 선생님...

[codingapple]

npm install mongodb@3.6.4 해서 설치잘했나요

[김성빈]

PS C:\Users109\OneDrive\바탕 화면\node> nodemon server.js        
[nodemon] 2.0.22
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): *.*
[nodemon] watching extensions: js,mjs,json
[nodemon] starting `node server.js`
(node:4000) Warning: Accessing non-existent property 'MongoError' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)


listening on 8080


(node:4000) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constructor.
MongoNetworkError: failed to connect to server [ac-ob46qay-shard-00-01.gjme16c.mongodb.net:27017] on first connect [MongoError: bad auth : authentication failed
    at Connection.messageHandler (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:359:19)
    at Connection.emit (node:events:513:28)
    at processMessage (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:451:10)
    at TLSSocket.<anonymous> (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:620:15)
    at TLSSocket.emit (node:events:513:28)
    at addChunk (node:internal/streams/readable:324:12)
    at readableAddChunk (node:internal/streams/readable:297:9)
    at Readable.push (node:internal/streams/readable:234:10)
    at TLSWrap.onStreamRead (node:internal/stream_base_commons:190:23) {
  ok: 0,
  code: 8000,
  codeName: 'AtlasError'
}]
    at Pool.<anonymous> (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\topologies\server.js:438:11)
    at Pool.emit (node:events:513:28)
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\pool.js:562:14
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\pool.js:1009:9
    at callback (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connect.js:75:5)
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connect.js:147:27
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\auth\scram.js:185:14
    at _callback (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:328:7)
    at Connection.messageHandler (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:359:9)
    at Connection.emit (node:events:513:28)


밑에 뭐가 더 뜨길래 중간에 뜬걸 못 봤습니다 착각했습니다 감사합니다 선생님

[codingapple]

DB접속용 아이디비번 틀렸다는 에러입니다

[김성빈]

그렇군요 감사합니다 선생님!!

[김성빈]

오류 때문에 귀찮게 해드려 죄송합니다..
비밀번호 문제인가 해서 제일 간단한 1234로 변경하고 아이디는 'kim968'로 변경하고 진행했습니다..
'mongodb+srv://kim968:1234@cluster0.gjme16c.mongodb.net/?retryWrites=true&w=majority'

디비 비밀번호를 잘못 입력 했을 경우 서버 접속은 잘 됩니다
'mongodb+srv://kim968:12342@cluster0.gjme16c.mongodb.net/?retryWrites=true&w=majority'
PS C:\Users109\OneDrive\바탕 화면\node> nodemon server.js
[nodemon] 2.0.22
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): *.*
[nodemon] watching extensions: js,mjs,json
[nodemon] starting `node server.js`
(node:18440) Warning: Accessing non-existent property 'MongoError' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
listening on 8080
(node:18440) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constructor.
MongoNetworkError: failed to connect to server [ac-ob46qay-shard-00-02.gjme16c.mongodb.net:27017] on first connect [MongoError: bad auth : authentication failed
    at Connection.messageHandler (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:359:19)
    at Connection.emit (node:events:513:28)
    at processMessage (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:451:10)
    at TLSSocket.<anonymous> (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:620:15)
    at TLSSocket.emit (node:events:513:28)
    at addChunk (node:internal/streams/readable:324:12)
    at readableAddChunk (node:internal/streams/readable:297:9)
    at Readable.push (node:internal/streams/readable:234:10)
    at TLSWrap.onStreamRead (node:internal/stream_base_commons:190:23) {
  ok: 0,
  code: 8000,
  codeName: 'AtlasError'
}]
    at Pool.<anonymous> (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\topologies\server.js:438:11)
    at Pool.emit (node:events:513:28)
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\pool.js:562:14
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\pool.js:1009:9
    at callback (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connect.js:75:5)
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connect.js:147:27
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\auth\scram.js:185:14
    at _callback (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:328:7)
    at Connection.messageHandler (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\core\connection\connection.js:359:9)
    at Connection.emit (node:events:513:28)



비밀번호를 제대로 입력했을 경우 서버연결이 안 됩니다.. ㅠㅠ
'mongodb+srv://kim968:1234@cluster0.gjme16c.mongodb.net/?retryWrites=true&w=majority'

PS C:\Users109\OneDrive\바탕 화면\node> nodemon server.js
[nodemon] 2.0.22
[nodemon] to restart at any time, enter `rs`
[nodemon] watching path(s): *.*
[nodemon] watching extensions: js,mjs,json
[nodemon] starting `node server.js`
(node:20680) Warning: Accessing non-existent property 'MongoError' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
listening on 8080
(node:20680) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constructor.
node:events:491
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE: address already in use :::8080
    at Server.setupListenHandle [as _listen2] (node:net:1740:16)
    at listenInCluster (node:net:1788:12)
    at Server.listen (node:net:1876:7)
    at Function.listen (C:\Users109\OneDrive\바탕 화면\node\node_modules\express\lib\application.js:635:24)
    at C:\Users109\OneDrive\바탕 화면\node\server.js:9:9
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\utils.js:693:5
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\mongo_client.js:227:7
    at connectCallback (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\operations\connect.js:366:5)
    at C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\operations\connect.js:602:5
    at ReplSet.connectHandler (C:\Users109\OneDrive\바탕 화면\node\node_modules\mongodb\lib\topologies\replset.js:336:9)
Emitted 'error' event on Server instance at:
    at emitErrorNT (node:net:1767:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
  code: 'EADDRINUSE',
  errno: -4091,
  syscall: 'listen',
  address: '::',
  port: 8080
}

Node.js v18.15.0
[nodemon] app crashed - waiting for file changes before starting...

[codingapple]

에디터랑 터미널 다 껐다켜서 다시 해보면 됩니다

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