cant assign schema type ObjectId: Cannot read property 'ObjectId' of undefined

[David Z]

According to this doc here I should be allowed to do this:

var UserTag = Schema({



    User: Schema.Types.ObjectId,

    users_tagged: [User]



});

however doing so produces this error:

    User: Schema.Types.ObjectId,

                      ^

TypeError: Cannot read property 'ObjectId' of undefined

Does anyone know what the deal is here?

[Jason Crawford]

Works for me (although I'm on an earlier version of Mongoose, 3.6.11).

How are you getting Schema? What's your require statement?

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[David Z]

Hey Jason thanks for your reply. My require statement is:

var Schema = require('mongoose').Schema;

I am using version 3.8.23 of mongoose.

[David Z]

I just tried 3.6.11 and the problem persists

[Jason Crawford]

No idea. It should work. I would look at that Schema object and see what other properties is has, and doesn't have. Maybe you're getting an empty object somehow… maybe something went wrong with your require. Not sure. Sorry I can't be more help.

On Sat, Feb 21, 2015 at 4:54 PM, David Z <mac...@gmail.com> wrote:

I just tried 3.6.11 and the problem persists

--

[Valeri Karpov]

Works fine for me on 3.8.23. Just to make sure it's not an issue with your code, can you run the below script and see if you get the error:

```

var mongoose = require('mongoose');

var Schema = mongoose.Schema;

console.log(require('util').inspect(Schema.Types.ObjectId));

```

If that doesn't throw any errors, I would suspect somewhere you have a variable named Schema that's occluding the `var Schema = require('mongoose').Schema`

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