strange inability to require config/boot after upgrading to ruby 1.9.2

Question

I upgraded my ruby to 1.9.2 and now when I try to start up a Rails 2.3.5 app with script/server I get this error:

Answer 1

I met the exact same problem as described. Ubuntu 10.04 x64, Eclipse Helio, AptanaStudion2 with RadRail, Ruby 1.9.2, Rails 2.3.5 this doesn't work for me:

require File.expand_path('../../config/boot', __FILE__)

This works for me

require File.expand_path(__FILE__)+ '/../../config/boot'