1 files changed, 4 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/exceptions.rb b/actionpack/lib/action_controller/metal/exceptions.rb
index 90648c37ad..8fd8f4797c 100644
--- a/actionpack/lib/action_controller/metal/exceptions.rb
+++ b/actionpack/lib/action_controller/metal/exceptions.rb
@@ -2,6 +2,9 @@ module ActionController
   class ActionControllerError < StandardError #:nodoc:
   end
 
+  class BadRequest < ActionControllerError #:nodoc:
+  end
+
   class RenderError < ActionControllerError #:nodoc:
   end
 
@@ -38,7 +41,7 @@ module ActionController
 
   class UnknownHttpMethod < ActionControllerError #:nodoc:
   end
-  
+
   class UnknownFormat < ActionControllerError #:nodoc:
   end
 end