при запуске программы Ruby on Rails я получил сообщение об ошибке:
"3168"
C:/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from C:/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_support.rb:56
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from C:/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/commands/server.rb:1
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
from ./script/server:3
from -e:2:in `load'
from -e:2
Среда, над которой я работаю, - это Windows XP и конфигурации:
Ruby 1.8.7[i386-mingw32]
Рельсы 2.3.11
Драгоценный камень 1.8.8
Рейк 0.8.7
sqlite3 1.2.1
Mongrel 1.2.0.pre2