Unable to connect to mongodb Error: couldn't connect to server 127.0.0.1:27017 at src/mongo/shell/mongo.js:L112

Question

When ever I try to connect to mongo db I always get this error as below.

MongoDB shell version: 2.4.3 connecting to: test Fri Apr 26 14:31:46.941 JavaScript execution f

Answer 1

If you are on unix-like systems.

Starting in MongoDB 4.4, a startup error is generated if the ulimit value for number of open files is under 64000. View the current val

$ ulimit -n

Change value

$ ulimit -n