Unexpected mongo exit code 100. Restarting

Hi everyone!

I’m just trying to get into Meteor.js, so I’m still unexperimented on the subject. Following a tutorial about Meteor, I get an error message in the command prompt on the command “meteor”: Unexpected mongo exit code 100. Restarting.

I searched a lot on Internet for a solution. I tried “meteor reset”, I can’t delete the .meteor/local/db/mongodb.lock file because there is not any file in the db folder, and restarting my computer didn’t change anything. I tried to start my Meteor.js project on my two computers, one running on Windows 10 and the other on Windows 7. Both have the same issue.

Here is what the console returns:

"D:\Meteor\Test>meteor
[[[[[ ~\D\Meteor\Test ]]]]]

=> Started proxy.
Unexpected mongo exit code 100. Restarting.
Unexpected mongo exit code 100. Restarting.
Unexpected mongo exit code 100. Restarting.
Unexpected mongo exit code 100. Restarting.
Unexpected mongo exit code 100. Restarting.
Can’t start Mongo server.
MongoDB had an unspecified uncaught exception.
This can be caused by MongoDB being unable to write to a local database.
Check that you have permissions to write to .meteor/local. MongoDB does
not support filesystems like NFS that do not allow file locking."

I’m running out of ideas. Do you have any solution that may have worked on your side?

I had same problem running tutorial todo-lists with IOS. Solution: I stopped running meteor (Ctrl-c) and later “run meteor run IOS” and worked fine.