From d59a24d543b4fd34d453e8209caae5fef315ea78 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Tue, 19 Aug 2014 15:32:16 -0300
Subject: Protect against error when parsing parameters with Bad Request

Related with #11795.
---
 .../lib/active_support/cache/strategy/local_cache_middleware.rb        | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'activesupport')

diff --git a/activesupport/lib/active_support/cache/strategy/local_cache_middleware.rb b/activesupport/lib/active_support/cache/strategy/local_cache_middleware.rb
index 901c2e05a8..c55600a02d 100644
--- a/activesupport/lib/active_support/cache/strategy/local_cache_middleware.rb
+++ b/activesupport/lib/active_support/cache/strategy/local_cache_middleware.rb
@@ -28,6 +28,9 @@ module ActiveSupport
               LocalCacheRegistry.set_cache_for(local_cache_key, nil)
             end
             response
+          rescue Rack::Utils::InvalidParameterError
+            LocalCacheRegistry.set_cache_for(local_cache_key, nil)
+            [400, {}, []]
           rescue Exception
             LocalCacheRegistry.set_cache_for(local_cache_key, nil)
             raise
-- 
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