mosaic-errors
Gem to add custom error pages to your rails 3 app.
Installation
Add to Gemfile:
gem 'mosaic-errors'
Then...
bundle install
Usage
Installation steps
Add to ApplicationController:
include Mosaic::Errors
Add to config/routes.rb:
mount Errors::Engine => "/"
Add to config/application.rb
config.exceptions_app = self.routes
Restart your app.