'process.nextTick(function() { throw err; })' - Undefined is not a function (mongodb/mongoose)

Question

I\'m trying to connect to my mongodb using nodejs and socket.io. I am able to connect to the database because I get \'connection accepted\' in my console bu

Answer 1

From the provided information, it looks like you are using mongodb 2.0 driver. The db.collectionNames method was dropped. Check out the "Db Object" section of this page - https://github.com/mongodb/node-mongodb-native/blob/0642f18fd85037522acf2e7560148a8bc5429a8a/docs/content/tutorials/changes-from-1.0.md#L38

They've replaced it with listCollections. You should get the same effect with:

mongoose.connection.db.listCollections().toArray(function(err, names) {
    if (err) {
        console.log(err);
    }
    else {
        names.forEach(function(e,i,a) {
            mongoose.connection.db.dropCollection(e.name);
            console.log("--->>", e.name);
        });
    }
});