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我正在使用已部署的 api 框架。它基于节点 js 和 mongo db。

我收到此错误

蒙哥

couldn't connect to server 127.0.0.1:27017 at src/mongo/shell/mongo.js:145
exception: connect failed

我已经通过使用以下命令解决了这个错误

Step 1: Remove lock file.
sudo rm /var/lib/mongodb/mongod.lock

Step 2: Repair mongodb.
mongod --repair 

Step 3: start mongodb.
sudo start mongodb 
or
sudo service mongodb start

Step 4: Check status of mongodb.
sudo status mongodb 
or   
sudo service mongodb status

Step 5: Start mongo console.
mongo

通过这样做，错误得到了解决，但有时它会再次出现。

今天我又遇到了同样的错误

Error: failed to connect to [127.0.0.1:27017]
    at null.<anonymous> (/home/ubuntu/node_modules/deployd/node_modules/mongodb/lib/mongodb/connection/server.js:383:73)
    at EventEmitter.emit (events.js:95:17)
    at null.<anonymous> (/home/ubuntu/node_modules/deployd/node_modules/mongodb/lib/mongodb/connection/connection_pool.js:93:15)
    at EventEmitter.emit (events.js:98:17)
    at Socket.<anonymous> (/home/ubuntu/node_modules/deployd/node_modules/mongodb/lib/mongodb/connection/connection.js:385:10)
    at Socket.EventEmitter.emit (events.js:95:17)
    at net.js:441:14
    at process._tickDomainCallback (node.js:459:13)

请帮我解决这个问题。

谢谢。

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