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-rw-r--r--actionpack/lib/action_controller/log_subscriber.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/actionpack/lib/action_controller/log_subscriber.rb b/actionpack/lib/action_controller/log_subscriber.rb
index 14f41eb55f..203653354a 100644
--- a/actionpack/lib/action_controller/log_subscriber.rb
+++ b/actionpack/lib/action_controller/log_subscriber.rb
@@ -26,7 +26,7 @@ module ActionController
exception_class_name = payload[:exception].first
status = ActionDispatch::ExceptionWrapper.status_code_for_exception(exception_class_name)
end
- message = "Completed #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]} in #{event.duration.round}ms".dup
+ message = +"Completed #{status} #{Rack::Utils::HTTP_STATUS_CODES[status]} in #{event.duration.round}ms"
message << " (#{additions.join(" | ".freeze)})" unless additions.empty?
message << "\n\n" if defined?(Rails.env) && Rails.env.development?