exception handling

gistfile1.txt

Model:


class ExceptionMailer < ActionMailer::Base
  def exception_notification(ex, request, sent_at = Time.now)
    subject    "Answerwise Exception: #{ex.class} - #{ex.message}"
    recipients 'mfrosengarten@gmail.com'
    from       'mfrosengarten@gmail.com'
    sent_on    sent_at
    
    body        :exception_message => ex.to_s,
                :exception_class => ex.class,
                :request => request,
                :backtrace => ex.backtrace.join("<br />") if ex.backtrace
  end

end


(http://apidock.com/rails/ActionController/Rescue/rescue_action_in_public)
In ApplicationController:


  def rescue_action_in_public(exception)
    ExceptionMailer.deliver_exception_notification(exception,request)
  
    case exception
      when *self.class.exceptions_to_treat_as_404
        respond_to do |format|
          format.html {render :file => "#{RAILS_ROOT}/public/404.html", :status => "404 Error"}
          format.all { render :nothing => true, :status => "404 Error"}
        end  
      else
        respond_to do |type|
          type.html { render :file => "#{RAILS_ROOT}/public/500.html", :status => "500 Error" }
          type.all  { render :nothing => true, :status => "500 Error" }
        end
    end