MongoMapper and bson_ext problem

Question

I can\'t get MongoMapper to work with my Rails app. I get this error message:

**Notice: C extension not loaded. This is required for optimum MongoDB Ruby driver performa

Answer 1

1. Install bson_ext using:

   gem install bson_ext
   

2. Add the gem to your Gemfile:

   gem 'bson_ext'
   

3. Run bundle in your project root level directory.