![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..
![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")
javascript - UnhandledPromiseRejectionWarning: MongoNetworkError: failed to connect to server [localhost:27017] on first connect [MongoNetworkError - Stack Overflow
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![MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 · Issue #338 · microsoft/TypeScript-Node-Starter · GitHub](https://user-images.githubusercontent.com/17202780/128211875-fa65f93c-46a2-4c0f-a379-6d7c0f88a7b9.png "MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 · Issue #338 · microsoft/TypeScript-Node-Starter · GitHub")
MongoNetworkError: failed to connect to server [localhost:27017] on first connect [Error: connect ECONNREFUSED 127.0.0.1:27017 · Issue #338 · microsoft/TypeScript-Node-Starter · GitHub
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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
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运行mongo出现Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed_create13的博客-CSDN博客
![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
![node.js - MongoNetworkError: failed to connect to server on first connect [ MongoNetworkError: connect ECONNREFUSED ] - Stack Overflow](https://i.stack.imgur.com/1174p.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
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