Getting Mongoose ObjectId from String

Question

I am trying to convert a String to ObjectId:

  var _id=mongoose.Types.ObjectId(req.body.notebook);

The notebook value is actually the id of a document in the database:

> db.notebook.findOne()
{
    "title" : "My Notebook",
    "isActive" : false,
    "_id" : ObjectId("54505ced1fa5b1b519bdfc88"),
    "notes" : [ ],
    "__v" : 0
}

I was debugging and the method looked like this:

  mongoose.types.ObjectId("54505ced1fa5b1b519bdfc");

I got an error to this effect while debugging:

 ObjectId must either be a 12 byte string or 24 hex charecters.

This error occurs from the method ObjectId.isValid.I have tried casting using:

 mongoose.Types.ObjectId.fromString(req.body.notebook);

and

 mongoose.mongo.BSONPure.ObjectID.fromString(req.body.notebook);

I understand that I have to convert this string to an appropriate hex format.How can I do that?

Peter Lyons · Accepted Answer · 2014-10-31 08:57:08Z

3

"54505ced1fa5b1b519bdfc" - is only 22 characters long. It's incomplete.

answered Oct 31, 2014 at 8:57

Peter Lyons

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