NodeJS and Mongoose with Mongodb sharding issue

I have been using NodeJS, MongooseJS with Mongodb. It is throwing the following error when i try to insert an record in mongodb using mongooseJS

"MongoError: right object doesn't have full shard key"

FYI: MongoDB Table having shard key

Plea开发者_开发问答se tell me how to resolve this issue! and what is that error mean?

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When you are inserting any object into Mongo collection which has shard key, object should have all shard keys (i.e. full shard key).

As mongodb's doc says:

All (non-multi)updates, upserts, and inserts must include the current shard key."

current shard key in the sense all the shard key which are currently applicable.

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Mongoose 2.5.3 has support for sharding, just include the shardkey in the schema options and Mongoose does the rest.

var LoginSchema = new Schema({attribut: String}, 
                             { shardkey: { at: 1, _user: 1 }}
                            )