From 210c8417f14e4427e7db822cd4e7386451acd827 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Thu, 18 Oct 2012 16:51:35 -0700
Subject: initialize required instance variables for this mixin

---
 actionpack/lib/action_dispatch/http/filter_parameters.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'actionpack')

diff --git a/actionpack/lib/action_dispatch/http/filter_parameters.rb b/actionpack/lib/action_dispatch/http/filter_parameters.rb
index 47cf41cfa3..4ff0bb31e0 100644
--- a/actionpack/lib/action_dispatch/http/filter_parameters.rb
+++ b/actionpack/lib/action_dispatch/http/filter_parameters.rb
@@ -20,10 +20,15 @@ module ActionDispatch
     #   end
     #   => reverses the value to all keys matching /secret/i
     module FilterParameters
-      extend ActiveSupport::Concern
-
       @@parameter_filter_for  = {}
 
+      def initialize(env)
+        super
+        @filtered_parameters = nil
+        @filtered_env        = nil
+        @filtered_path       = nil
+      end
+
       # Return a hash of parameters with all sensitive data replaced.
       def filtered_parameters
         @filtered_parameters ||= parameter_filter.filter(parameters)
-- 
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