Everything works fine when I used shell v3.6. After updating to v4.2.3 I got this error. Tried several commands from stackoverflow but no luck. I am using linux mint 19.3 (based on Ubuntu 18.04) MongoDB shell version v4.2.3 connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServi…

@StennieThanks for your response. Luckily the problem is fixed automatically by itself. Last night I’ve gone back and forth v3.6 to 4.2 several times. When I run mongo on 3.6 it works perfectly fine but an error occurred whenever I update it to 4.2. I lose hope and started using v3.6 until I saw yo…

steevej (Steeve Juneau) March 4, 2020, 10:19pm 2

Output of ss -tlnp please.

Error: couldn’t connect to server 127.0.0.1:27017