I have a rails 3 web site that uses rack 1.2.3, when I try to access it I am receiving this error:
You have already activated rack 1.2.1, but your Gemfile requires rack 1.2.3. Consider using bundle exec.
Does anyone know how can I fix this?
This is an old problem at Dreamhost. Yehuda Katz said:
that might or might not still work.