MongoDB Failing to Start - ***aborting after fassert() failure

Question

I am new to Ubuntu (Linux tbh). I encountered problem with starting MongoDB service. I want to created web app using Ruby on Rails and MongoDB but mongo seems to fail to sta

Answer 1

For me, it was because of the bad data inside the folder: ‘/data/db’

Solution that worked for me: Remove all the files inside '/data/db'

Answer 2

SOLUTION by kometen

Does the file /tmp/mongodb-27017.sock exist? If so try to delete it, ie. 'sudo rm /tmp/mongodb-27017.sock'.

Answer 3

mongo --shell

It worked for me on ubuntu

Answer 4

If you use Ubuntu, try:

sudo mongod

Answer 5

The problem can also be due to mongodb using up all the disk space. That was the case for me. You can install ncdu with this command: sudo apt install ncdu

This will help you in looking at the disk usage. Use the command: ncdu -x /

Remove the unwanted dbs from /var/lib/mongodb/

Answer 6

sudo mongod

(suggested by @João Bortolosso)

after (suggested by @fresz):

sudo rm /tmp/mongodb-27017.sock

worked on mac!