我对linux比较陌生,但我正在尝试在Ubuntu11.10上设置一个开发环境。我已经安装了ruby 1.8和rails 2.2.2,但netbeans似乎告诉我以下错误。
Missing the Rails 2.2.2 gem. Please gem install -v=2.2.2 rails, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use t