Simply use heroku logs to display the last 100 lines of your logs. Or to tail the logs in real-time: heroku logs -t Heroku only saves the last 1500 lines of logs, which you can access using heroku logs -n 1500. If you want more logging, check out Heroku add-ons like Logentries or Papertrail.
UPDATE Since this answer does provide a solution, I will not edit it, but I have found a much cleaner way of solving this problem. See my other answer for details… Original Answer: I figured out why the Application_Error() method is not being invoked… Global.asax.cs public class MvcApplication : System.Web.HttpApplication { public static void RegisterGlobalFilters(GlobalFilterCollection … Read more
The requested URL was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.