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-rw-r--r--railties/lib/rails/application.rb3
1 files changed, 1 insertions, 2 deletions
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index d13356ab4d..182068071d 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -35,7 +35,6 @@ module Rails
#
class Application < Engine
autoload :Bootstrap, 'rails/application/bootstrap'
- autoload :Configurable, 'rails/application/configurable'
autoload :Configuration, 'rails/application/configuration'
autoload :Finisher, 'rails/application/finisher'
autoload :Railties, 'rails/application/railties'
@@ -147,7 +146,7 @@ module Rails
middleware.use ::Rack::Cache, rack_cache if rack_cache
middleware.use ::ActionDispatch::Static, config.static_asset_paths if config.serve_static_assets
- middleware.use ::Rack::Lock if !config.allow_concurrency
+ middleware.use ::Rack::Lock unless config.allow_concurrency
middleware.use ::Rack::Runtime
middleware.use ::Rails::Rack::Logger
middleware.use ::ActionDispatch::ShowExceptions, config.consider_all_requests_local if config.action_dispatch.show_exceptions