Rails custom error page Supporting tagline

Custom dynamic error pages in Ruby on Rails:

Document :

.1: http://wildjcrt.pixnet.net/blog/post/28742487-rails-3-%E8%99%95%E7%90%86-errors-%E7%9A%84%E9%A0%81%E9%9D%A2

.2: http://techoctave.com/c7/posts/36-rails-3-0-rescue-from-routing-error-solution

.3: http://www.perfectline.ee/blog/custom-dynamic-error-pages-in-ruby-on-rails

.4: http://blog.aizatto.com/2009/02/06/building-custom-error-pages/

First :

we should set the config environment,defaults,true for development, false for production:

config.action_controller.consider_all_requests_local = false

Second :

use method : rescue_from in ApplicationController

something about rescue:

ActiveSupport::Rescuable::ClassMethods

activesupport/lib/active_support/rescuable.rb

http://api.rubyonrails.org/classes/ActiveSupport/Rescuable/ClassMethods.html

then use it ,like this:

rescue_from Exception, :with => :render_error

Third :

define render_error

def render_not_found(exception)

log_error(exception)

render :template => "/error/404.html.erb", :status => 404

end

Fourth :

add 404 page or something else .

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• Rails 1
• Error page 1
• Custom 1