No secret option provided to Rack::Session::Cookie warning?

Question

I am running Rails 3.2.3, Ruby 1.9 under Fedora 17. I get this warning, when I run rails s, and how do I fix?

SECURITY WARNING: No secre

Answer 1

An issue has been opened in Github https://github.com/rails/rails/issues/8789. It appears that a bug involving Rails 3.2.10 with Rack 1.4.2 is causing this. IMO, it can be safely ignored till the issue is resolved.

EDIT: This issue has been resolved in Rails 3.2.11.