1 files changed, 14 insertions, 1 deletions
diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index 4e0672d590..d63d17f4c5 100644
--- a/actionpack/lib/abstract_controller/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
@@ -132,7 +132,11 @@ module AbstractController
           case arg
           when String, Symbol
             file_name = "#{arg.to_s.underscore}_helper"
-            require_dependency(file_name, "Missing helper file helpers/%s.rb")
+            begin
+              require_dependency(file_name)
+            rescue LoadError => e
+              raise MissingHelperError.new(e, file_name)
+            end
             file_name.camelize.constantize
           when Module
             arg
@@ -142,6 +146,15 @@ module AbstractController
         end
       end
 
+      class MissingHelperError < LoadError
+        def initialize(error, path)
+          @error = error
+          @path  = "helpers/#{path}.rb"
+          set_backtrace error.backtrace
+          super("Missing helper file helpers/%s.rb" % path)
+        end
+      end
+
       private
       # Makes all the (instance) methods in the helper module available to templates
       # rendered through this controller.