无法启动rails服务器mysql2 gem？
Ruby和rails noob，做了一个项目并且做到了这一点。 但是现在我在尝试运行rails服务器时遇到了这些错误。 我正在使用Windows vista和ruby 2.0.0。
D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/mysql2/mysql2. rb:2:in `require': cannot load such file -- mysql2/2.0/mysql2 (LoadError) from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m ysql2/mysql2.rb:2:in `' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m ysql2.rb:9:in `require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/mysql2-0.3.11-x86-mingw32/lib/m ysql2.rb:9:in `' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:72:in `require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:72:in `block (2 levels) in require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:70:in `each' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:70:in `block in require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:59:in `each' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler/runti me.rb:59:in `require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/bundler-1.3.4/lib/bundler.rb:13 2:in `require' from D:/wamp/www/simple_cms/config/application.rb:7:in ` ' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma nds.rb:53:in `require' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma nds.rb:53:in `block in ' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma nds.rb:50:in `tap' from D:/Ruby200/lib/ruby/gems/2.0.0/gems/railties-3.2.13/lib/rails/comma nds.rb:50:in `' from script/rails:6:in `require' from script/rails:6:in `' 到目前为止，我对ruby和gem知之甚少，但mysql2gem似乎是一个问题，我已经安装并安装到没有帮助。 我经常收到一条消息，说我已经安装了我遵循的订单的二进制版本。 这是好事还是坏事？
有人请帮助我，如果您需要更多信息，请告诉我。
我认为这里的答案就是你要找的：
stackoverflow.com/a/5368767/1622843
基本上，您需要指向gem以使用您计算机上安装的mysql实例。