Help overriding rescue_action_in_public in Rails 3

In Rails 2.3.x, you can override render_optional_error_file like so:

ApplicationController.rb

protected
def render_optional_error_file(status_code)
render :template => “errors/500”, :status => 500, :layout =>
‘application’
end
However, Rails 3 no longer has render_optional_error_file. Instead, you
need to overriderescue_action_in_public, which I do:

config/initializers/error_page.rb

module ActionDispatch
class ShowExceptions

protected
  def rescue_action_in_public(exception)
    status = status_code(exception).to_s

    template = ActionView::Base.new(["#{Rails.root}/app/views"])
    if ["404"].include?(status)
      file = "/errors/404.html.erb"
    else
      file = "/errors/500.html.erb"
    end
    body = template.render(:file => file)

    render(status, body)
  end

end
end
This works, but does not use the application’s layout. However, if you
specify the layout path:

body = template.render(:file => file, :layout => “layouts/application”)

line 15

I get an Error during failsafe response: ActionView::Template::Error.

Line 4 of application.html.erb:4 is:

<%= stylesheet_link_tag “app”, “jquery-ui”, “jquery.fancybox”, :cache =>
“all” %>
Whatever ActionView normally uses to render templates isn’t getting
loaded.

The stack trace is:

/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:794:in
join' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:794:inrails_asset_id’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:817:in
rewrite_asset_path' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:746:incompute_public_path’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:424:in
path_to_stylesheet' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:875:inensure_stylesheet_sources!’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:874:in
each' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:874:inensure_stylesheet_sources!’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/helpers/asset_tag_helper.rb:512:in
stylesheet_link_tag' /data/sites/fundraisers-stage/releases/20110316194843/app/views/layouts/application.html.erb:4:in_app_views_layouts_application_html_erb___19482063_70294907435920_0’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/template.rb:135:in
send' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/template.rb:135:inrender’
/var/lib/gems/1.8/gems/activesupport-3.0.5/lib/active_support/notifications.rb:54:in
instrument' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/template.rb:127:inrender’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/render/layouts.rb:80:in
_render_layout' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/render/rendering.rb:62:in_render_template’
/var/lib/gems/1.8/gems/activesupport-3.0.5/lib/active_support/notifications.rb:52:in
instrument' /var/lib/gems/1.8/gems/activesupport-3.0.5/lib/active_support/notifications/instrumenter.rb:21:ininstrument’
/var/lib/gems/1.8/gems/activesupport-3.0.5/lib/active_support/notifications.rb:52:in
instrument' /var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/render/rendering.rb:56:in_render_template’
/var/lib/gems/1.8/gems/actionpack-3.0.5/lib/action_view/render/rendering.rb:26:in
render' /data/sites/fundraisers-stage/releases/20110316194843/config/initializers/error_pages.rb:15:inrescue_action_in_public’

How can I get this to render my application layout?

Paul

please try specifying layout at the top of the controller like

layout ‘application’, :only => action_name

Please refer to the rails documentation, there are other options like
:except, if this helps