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
Can not connect to mongodb locally: Server selection timed out after 30000 ms - Ops and Admin - MongoDB Developer Community Forums
node.js - MongoNetworkError: failed to connect to server on first connect [MongoNetworkError: connect ECONNREFUSED ] - Stack Overflow
Virtual Machine fails to connect MongoDB Instance?-JCS for MongoDB-Products-Documentation-JD Cloud
mongodb - mongo: failed to connect to server [localhost:27017] - Stack Overflow
Not able start Mongodb - Ask Ubuntu
Cannot connect MongoDB using GUIs(Robo 3T, Studio 3T) : r/mongodb
MongoError: failed to connect to server [127.0.0.1:27017] on first connect plesk server error - Ops and Admin - MongoDB Developer Community Forums