Rescue an ActionController::BadRequest

Question

I am running a rails app and I have a simple show action, where the code is something like the following:

@post = Post.find(params[:id])

So if

Answer 1

OK I found that if you pass something like %ED it is a 400 bad request so I just created a 400 static page and I've added the following in my exception notification:

  Myapp::Application.config.middleware.use ExceptionNotification::Rack,
  :ignore_exceptions => ['ActionController::BadRequest'] + ExceptionNotifier.ignored_exceptions,
  :ignore_crawlers => %w{Googlebot bingbot},
  :email => {
    :email_prefix => "[Myapp.com Exception Notifier] ",
    :sender_address => %{"myapp.com" <info@myapp.com>},
    :exception_recipients => %w{myemail@myapp.com}
  }