Connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017

MongoDB shell version v5.0.14
connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb
Error: couldn’t connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by :: Connection refused :
connect@src/mongo/shell/mongo.js:372:17
@(connect):2:6
exception: connect failed
exiting with code 1

there are two possible causes for your problem:

  • your server is not running, make sure it is up and healthy.
  • it is not configured to listen “127.0.0.1”. by default, it is set to listen to requests coming for localhost name, not with IP number.