我正在使用 rails 2.3.5 和 ruby 1.8.7。创建新应用程序时出现此错误。
/home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `gem_original_require'
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `require'
from /home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/gems/activesupport-2.3.5/lib/active_support.rb:56
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `gem_original_require'
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `require'
from /home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/gems/rails-2.3.5/bin/../lib/rails_generator.rb:28
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `gem_original_require'
from /home/sheetal/.rvm/rubies/ruby-1.8.7-p371/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `require'
from /home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/gems/rails-2.3.5/bin/rails:14
from /home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/bin/rails:23:in `load'
from /home/sheetal/.rvm/gems/ruby-1.8.7-p371@rails2/bin/rails:23