MongoDB Error: couldn't connect to server 127.0.0.1:27017 exception: connect failed | mongoDB - YouTube
mongodb - Couldn't connect to mongo DB server (Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error) - Stack Overflow
Mongodb Error: couldn't connect to server 127.0.0.1:27017 - YouTube
Studio 3T Connection failed (MongoInternalException) to Mongodb database on remote Ubuntu VPS - Ops and Admin - MongoDB Developer Community Forums
MongoDB Error: couldn't connect to server 127.0.0.1:27017 on Windows - DEV Community