How to resolve “Error Connecting to db. MongoNetworkError” when connecting to localhost MongoDB through MongoClient from NodeJS | by Bryant Jimin Son | Medium
MongoNetworkError: failed to connect to server [localhost:27017] on first connect [{ MongoError: Authentication failed. · Issue #655 · mongo-express/mongo-express · GitHub
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![mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..](https://blog.kakaocdn.net/dn/b4mCBT/btqFk6tjn1V/0aQUA14zMBRBTAEaQWXKUk/img.png "mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..")
mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..
![MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect EC_Amy_ke的博客-CSDN博客](https://img-blog.csdnimg.cn/20200424204643903.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0FteV9rZQ==,size_16,color_FFFFFF,t_70 "MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect EC_Amy_ke的博客-CSDN博客")
MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect EC_Amy_ke的博客-CSDN博客
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![MongoError: failed to connect to server [localhost:27017] on first connect [MongoError: connect ECONNREFUSED 127.0.0.1:27017] · Issue #15 · vinnyoodles/react-native-socket-io-example · GitHub](https://user-images.githubusercontent.com/13778798/37012118-0096d0aa-212e-11e8-9bcb-73d8913a358d.png "MongoError: failed to connect to server [localhost:27017] on first connect [MongoError: connect ECONNREFUSED 127.0.0.1:27017] · Issue #15 · vinnyoodles/react-native-socket-io-example · GitHub")
MongoError: failed to connect to server [localhost:27017] on first connect [MongoError: connect ECONNREFUSED 127.0.0.1:27017] · Issue #15 · vinnyoodles/react-native-socket-io-example · GitHub
Failed to connect to local server on first connect · Issue #6675 · Automattic/mongoose · GitHub
![node.js - MongoNetworkError: failed to connect to server [mongo-server:27017] on first connect [MongoNetworkTimeoutError: connection timed out - Stack Overflow](https://i.stack.imgur.com/8fLdc.png "node.js - MongoNetworkError: failed to connect to server [mongo-server:27017] on first connect [MongoNetworkTimeoutError: connection timed out - Stack Overflow")
node.js - MongoNetworkError: failed to connect to server [mongo-server:27017] on first connect [MongoNetworkTimeoutError: connection timed out - Stack Overflow
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![node.js - { MongoNetworkError: failed to connect to server on first connect [MongoError: bad auth : Authentication failed.] - Stack Overflow](https://i.stack.imgur.com/D3wL7.png "node.js - { MongoNetworkError: failed to connect to server on first connect [MongoError: bad auth : Authentication failed.] - Stack Overflow")
node.js - { MongoNetworkError: failed to connect to server on first connect [MongoError: bad auth : Authentication failed.] - Stack Overflow
![mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..](https://i1.daumcdn.net/thumb/C264x200/?fname=https://blog.kakaocdn.net/dn/b4mCBT/btqFk6tjn1V/0aQUA14zMBRBTAEaQWXKUk/img.png "mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..")
mongoDB Error]Error on DB Connection: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 at TCPConnectWrap.afterConnect [as oncomplete] (net.js:1141:16) { name: 'MongoNetwo..
![MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoError: Authentication failed.] - 인프런 | 질문 & 답변](https://cdn.inflearn.com/public/comments/da5766fc-8c6f-4720-97c9-322d7c9be702/%EC%A0%9C%EB%AA%A9%20%EC%97%86%EC%9D%8C.png "MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoError: Authentication failed.] - 인프런 | 질문 & 답변")
MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoError: Authentication failed.] - 인프런 | 질문 & 답변
UnhandledPromiseRejectionWarning: MongoNetworkError: failed to connect to server · Issue #6463 · Automattic/mongoose · GitHub
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![NODE-2799] MongoNetworkError: failed to connect to server - MongoDB Jira](https://jira.mongodb.org/secure/attachment/277183/freshMOngoerr.png "NODE-2799] MongoNetworkError: failed to connect to server - MongoDB Jira")
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![node.js - MongoNetworkError: failed to connect to server on first connect [ MongoNetworkError: connect ECONNREFUSED ] - Stack Overflow](https://i.stack.imgur.com/LAzWr.png "node.js - MongoNetworkError: failed to connect to server on first connect [ MongoNetworkError: connect ECONNREFUSED ] - Stack Overflow")
node.js - MongoNetworkError: failed to connect to server on first connect [ MongoNetworkError: connect ECONNREFUSED ] - Stack Overflow
![javascript - UnhandledPromiseRejectionWarning: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoNetworkError - Stack Overflow](https://i.stack.imgur.com/hNZG6.png "javascript - UnhandledPromiseRejectionWarning: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoNetworkError - Stack Overflow")