MongoDB - Error: invalid schema, expected mongodb

Question

I\'m new in building application with MEAN Stack, I\'m trying to build a real time chat app, here is my server side :

console.log(\"Server running...!\");

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Answer 1

Change content of this line from

mongo.connect('localhost:27017/db/chat',function(err,db)

to

mongo.connect('mongodb://localhost:27017/db/chat',function(err,db)

Then you can connect MongoDB database successfully.