新的Rails項目錯誤的Rails 3

我從來沒有開始一個新的應用程序有問題，但今天我得到一個錯誤認爲這當我試圖像你正在使用運行軌道新墨菲新的Rails項目錯誤的Rails 3

/usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:59:in `gem_original_require': no  such file to load -- active_support/core_ext/object/singleton_class (LoadError) 
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:59:in `require' 
from /usr/local/lib/ruby/gems/1.8/gems/railties-3.0.0.beta2/lib/rails/generators.rb:6 
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `gem_original_require' 
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `require' 
from /usr/local/lib/ruby/gems/1.8/gems/railties-3.0.0.beta2/lib/rails/commands/application.rb:10 
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `gem_original_require' 
from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:55:in `require' 
from /usr/local/lib/ruby/gems/1.8/gems/railties-3.0.0.beta2/bin/rails:30 
from /usr/local/bin/rails:19:in `load' 
from /usr/local/bin/rails:19

來源

2011-07-25 conpill

看起來像安裝了Rails的3.0測試版。 Chris Ledet提到你應該升級到最新的3.0.x版本。我也想推薦你切換到使用[rvm]（https://rvm.beginrescueend.com/rvm/basics/）。能夠管理個人寶石非常值得安裝。 – dwhalen

看起來Rails 3.0 beta。嘗試使用Rails 3.0.9

gem install rails -v3.0.9

來源

2011-07-25 16:00:41

新的Rails項目錯誤的Rails 3

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