mongodb를 설치하면서 2개의 에러를 넘어 여기까지 왔는데. mongod 까지도 괜찮았어. 그리고 이제 mongodb shell과 연결하기 위해 mongo라고 입력했는데. exception: connect failed 연결실패?!!!!! j맥북 $ mongo MongoDB shell version v4.0.0 connecting to: mongodb://127.0.0.1:27017 2022-09-16T00:06:20.258+0900 E QUERY [js] Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: cause..