On Jan 28, 2010, at 19:56 , Ryan Davis wrote: > > On Jan 28, 2010, at 19:27 , hi there wrote: > >> If installed gems share the same class name, eg. mime-types mimetype-fu >> both defined class Mime::Type < Object, rdoc_osx_dictionary won't work. > > Thanks for pointing out the gems that cause that... now I can repro. OR not... Hrm. I installed both gems and still can't reproduce. OK. Turns out that mimetype-fu does NOT define 'Mime'. Could it be something else you have? Try: % egrep -lr "(module|class) Mime" `gem env path` > Also, this would be a perfect time to take the authors of said gems out back to the parking lot and fix the problem the old fashioned way.