在ruby on rails中创建应用程序时出现以下错误：
ajeet@ajeetpc:~$ rails new first_app
/home/ajeet/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- active_support (LoadError)
from /home/ajeet/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/lib/ruby/vendor_ruby/railties/lib/rails_generator.rb:30:in `<top (required)>'
from /home/ajeet/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /home/ajeet/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from /usr/lib/ruby/vendor_ruby/railties/bin/rails:16:in `<main>'
答案 0 :(得分：2)
似乎没有正确安装rails gem。尝试解决它
gem uninstall rails
gem install rails
然后再次运行rails new first_app。