MongoDB - Error: document must have an _id before saving

Question

I\'ve been struggling so much with this project. I am following a tutorial that is out of date in some areas, for instance their version of Jquery used a totally different f

Answer 1

_id is added automatically by MongoDb.

If you want to keep _id on your data structure be sure to initialize correctly:

var obj = new UserSchema({ 
    "_id": new ObjectID(), 
    "username": "Bill", 
    "password" : "...." 
});