use raise to create exceptions and to set the backtrace

1 files changed, 1 insertions, 1 deletions

diff --git a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
index 11739e08d9..dbe3206808 100644
--- a/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
+++ b/actionpack/lib/action_dispatch/middleware/show_exceptions.rb
@@ -50,7 +50,7 @@ module ActionDispatch
         # Only this middleware cares about RoutingError. So, let's just raise
         # it here.
         if headers['X-Cascade'] == 'pass'
-           exception = ActionController::RoutingError.new("No route matches #{env['PATH_INFO'].inspect}")
+           raise ActionController::RoutingError, "No route matches #{env['PATH_INFO'].inspect}"
         end
       rescue Exception => exception
         raise exception if env['action_dispatch.show_exceptions'] == false