Rails 3.1rc4 asset pipeline broke after Ruby update? How to re-activate/configure it?

Question

Somehow this is related but I\'m not sure how/why?

Just upgraded from Ruby 1.9.2-p180 to 1.9.2-p290 via RVM\'s rvm upgrade command...and now my asset pi

Answer 1

I ended up just blowing out the whole problematic gemset and starting anew. Lesson learned:

Don't trust rvm upgrade. Install the new Ruby w/in RVM. Then manually rebuild (or bundle install) your gemsets.