MongoServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017

[Ramachandra_Tummala]

Also check this for exact format for Ipv6 with localhost

Follow up of Econnrefused ::1:27017

I post here as a follow up of Econnrefused ::1:27017 as it is no longer possible to post replies there. When connecting to mongodb with MongoClient i get MongoServerSelectionError: connect ECONNREFUSED ::1:27017 when connecting to ‘mongodb://localhost:27017/’ but no error when connecting to ‘mongodb://127.0.0.1:27017/’. As @Stennie_X mention the problem is that MongoClient tries to connect with IPv6. It didn’t seem to me it could be that because in my /etc/hosts file localhost is configured fo…