Nicht initialisierte Konstante ActiveSupport :: Abhängigkeiten :: Mutex (NameError)

Wenn ich will erstellen Sie eine Ruby on Rails-Projekt, bekomme ich die Meldung unten.

/usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
    from /usr/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_support.rb:57
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
    from /usr/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/rails_generator.rb:31
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
    from /usr/local/lib/site_ruby/1.8/rubygems/custom_require.rb:36:in `require'
    from /usr/lib/ruby/gems/1.8/gems/rails-2.3.8/bin/rails:15
    from /usr/bin/rails:19:in `load'
    from /usr/bin/rails:19

Was ist schief gelaufen? Wie kann ich es beheben?

InformationsquelleAutor der Frage Sokmesa Khiev | 2011-03-03

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