Only undef to_json if it's defined

rails · Oct 20, 2009 · 418ce48 · 418ce48
1 parent acb1624
commit 418ce48
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/actionpack/lib/action_controller/metal/responder.rb b/actionpack/lib/action_controller/metal/responder.rb
@@ -95,7 +95,7 @@ def initialize(controller, resources, options={})
     delegate :get?, :post?, :put?, :delete?, :to => :request
 
     # Undefine :to_json since it's defined on Object
-    undef_method :to_json
+    undef_method(:to_json) if method_defined?(:to_json)
 
     # Initializes a new responder an invoke the proper format. If the format is
     # not defined, call to_format.