ActionController::Metal and Airbrake

gistfile1.rb

class ApiController < ActionController::Metal
  include AbstractController::Logger
  include Rails.application.routes.url_helpers
  include ActionController::Rendering
  include ActionController::Renderers::All
  include ActionController::MimeResponds
  include AbstractController::Callbacks
  include Airbrake::Rails::ControllerMethods

  around_filter :rescue_error

  protected

  def rescue_error
    begin
      yield
    rescue ActiveRecord::RecordNotFound => e
      render :json => { :message => e.message }.to_json, :status => 404
    rescue ActiveRecord::RecordInvalid => e
      render :json => { :message => e.message }.to_json, :status => 400
    rescue => e
      notify_airbrake(e)
      render :json => { :message => "Internal Error: #{e}" }.to_json, :status => 500
    end
  end
end

Newer versions of Airbrake require

require 'airbrake/rails/controller_methods'

Thank you for this! 👍

If anyone comes across this, you just need to upgrade to Airbrake 3.1.17 to fix this error :)