application_controller.rb

class ApplicationController < ActionController::Base
unless Rails.application.config.consider_all_requests_local
    rescue_from ActionController::RoutingError, 
      ActionController::UnknownController, 
      ::AbstractController::ActionNotFound, 
      ActiveRecord::RecordNotFound, 
      with: not_found
end

  protect_from_forgery

  before_filter :miniprofiler

  private

  def run_later(job)
    Delayed::Job.enqueue(job)
  end

  def miniprofiler
    return unless spree_current_user && spree_current_user.has_spree_role?(:admin)

    Rack::MiniProfiler.authorize_request
  end

  def not_found
    raise ActionController::RoutingError.new('Not Found')
  end
end