Rescue_from method in application controller

What exception cannot be handled with rescue_from method in application
controller?
e.g
class ApplicationController < ActionController::Base
rescue_from Exception, with: error_handler
. . . . . . . . . .
end

1). server errors
2). record not found (404)
3). routing errors
4). all of these

Thanks in advance

Joon

On 19 June 2014 08:06, Anil K. [email protected] wrote:

3). routing errors
4). all of these

If you want help with your school work you should at least rephrase
the question so it is not quite so obvious.

Colin