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-rw-r--r--actionpack/lib/action_controller/metal/exceptions.rb4
1 files changed, 3 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/metal/exceptions.rb b/actionpack/lib/action_controller/metal/exceptions.rb
index cf21d26752..3844dbf2a6 100644
--- a/actionpack/lib/action_controller/metal/exceptions.rb
+++ b/actionpack/lib/action_controller/metal/exceptions.rb
@@ -5,7 +5,9 @@ module ActionController
class BadRequest < ActionControllerError #:nodoc:
attr_reader :original_exception
- def initialize(type, e)
+ def initialize(type = nil, e = nil)
+ return super() unless type && e
+
super("Invalid #{type} parameters: #{e.message}")
@original_exception = e
set_backtrace e.backtrace