的Gemfile
gem 'sprockets', git: 'https://github.com/tessi/sprockets.git', branch: '2_2_2_backport2'
gem 'sprockets-rails', git: 'https://github.com/finnlabs/sprockets-rails.git', branch: 'backport'
当我们说服务器时，我们正面临问题
错误：
/home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/dependency.rb:298:in `to_specs': Could not find 'sprockets' (~> 2.2.1) among 166 total gem(s) (Gem::LoadError)
from /home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/specification.rb:1295:in `block in activate_dependencies'
from /home/kannan/.rvm/rubies/ruby-2.1.3/lib/ruby/2.1.0/rubygems/specification.rb:1284:in `each'
结果是我们无法启动该应用程序。