prepare_application

# File actionpack/lib/action_controller/dispatcher.rb, line 139
    def prepare_application(force = false)
      begin
        require_dependency 'application' unless defined?(::ApplicationController)
      rescue LoadError => error
        raise unless error.message =~ /application\.rb/
      end

      ActiveRecord::Base.verify_active_connections! if defined?(ActiveRecord)

      if unprepared || force
        run_callbacks :prepare
        self.unprepared = false
      end
    end