Merge pull request #19377 from sb8244/issue-19036

when a template is missing for the default render, do head no_content instead

1 files changed, 6 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb
index ae04b53825..99e96a9547 100644
--- a/actionpack/lib/action_controller/metal/implicit_render.rb
+++ b/actionpack/lib/action_controller/metal/implicit_render.rb
@@ -7,7 +7,12 @@ module ActionController
     end
 
     def default_render(*args)
-      render(*args)
+      if template_exists?(action_name.to_s, _prefixes, variants: request.variant)
+        render(*args)
+      else
+        logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content"
+        head :no_content
+      end
     end
 
     def method_for_action(action_name)