新的Rails项目错误的Rails 3

我从来没有开始一个新的应用程序有问题，但今天我得到一个错误认为这当我试图像你正在使用运行轨道新墨菲新的Rails项目错误的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

来源

2011-07-25 conpill

看起来像安装了Rails的3.0测试版。 Chris Ledet提到你应该升级到最新的3.0.x版本。我也想推荐你切换到使用[rvm]（https://rvm.beginrescueend.com/rvm/basics/）。能够管理个人宝石非常值得安装。 – dwhalen

看起来Rails 3.0 beta。尝试使用Rails 3.0.9

gem install rails -v3.0.9

来源

2011-07-25 16:00:41

新的Rails项目错误的Rails 3

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