Model.find() returns empty in mongoose [duplicate]

Answer 1

From official doc

Population is the process of automatically replacing the specified paths in the document with document(s) from other collection(s).

Try it without populate

Model.find({}).exec(function(err, models) {
            if (err) {
                res.render('error', {
                    status: 500
                });
            } else {
                res.json(models);
            }
        });