From: Roger Pack Date: 2008-12-31T23:14:55+09:00 Subject: Re: FFI Gem on Win32 > C:/Code/jruby/Installs/luislavena-rubyinstaller/sandbox/ruby_mingw/lib/ruby/1.8/ > fileutils.rb:243:in `mkdir': Invalid argument - > C:/Code/jruby/Installs/luislaven > a-rubyinstaller/sandbox/rubygems_mingw/C: (Errno::EINVAL) > from > C:/Code/jruby/Installs/luislavena-rubyinstaller/sandbox/ruby_mingw/ > lib/ruby/1.8/fileutils.rb:243:in `fu_mkdir' Yeah doing rake CHECKOUT=1 helped me overcome that once -=r -- Posted via http://www.ruby-forum.com/.