Could it be that you are running OSX 10.6? I have the same problem, and already contacted the nokogiri supporters. At least on *this* OSX version. it doesn't work.
I have also informed Michael Hartl to consider this in the next update of his tutorial. You will have to do without Capybara. -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/8e4c03c6cb08def2c878589e32b9cc45%40ruby-forum.com. For more options, visit https://groups.google.com/d/optout.