Ruby on rails 无法在Rails上启动服务器Ruby

获取以下错误

 /Library/Ruby/Gems/1.8/gems/mysql2-0.2.11/lib/mysql2/mysql2.bundle: dlopen(/Library/Ruby/Gems/1.8/gems/mysql2-0.2.11/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib (LoadError)
 Referenced from: /Library/Ruby/Gems/1.8/gems/mysql2-0.2.11/lib/mysql2/mysql2.bundle
 Reason: image not found - /Library/Ruby/Gems/1.8/gems/mysql2-0.2.11/lib/mysql2/mysql2.bundle
 from /Library/Ruby/Gems/1.8/gems/mysql2-0.2.11/lib/mysql2.rb:9
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:68:in `require'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:68:in `require'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:66:in `each'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:66:in `require'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:55:in `each'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler/runtime.rb:55:in `require'
 from /Library/Ruby/Gems/1.8/gems/bundler-1.0.15/lib/bundler.rb:120:in `require'
 from /Users/mehtaameet/Sites/simple_cms/config/application.rb:7
 from /Library/Ruby/Gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:28:in      `require'
 from /Library/Ruby/Gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:28
 from /Library/Ruby/Gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:27:in `tap'
 from /Library/Ruby/Gems/1.8/gems/railties-3.0.9/lib/rails/commands.rb:27
 from script/rails:6:in `require'
 from script/rails:6

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以下是堆栈跟踪中的一条线索：

Library not loaded: libmysqlclient.18.dylib (LoadError)

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您需要确保这个sqlclient库是可用的。

我刚刚安装了一个捆绑包，它工作了！–

您使用的是哪种操作系统？看起来像Mac OS，根据上面跟踪中的位判断，libmysqlclient.18.dylib无法加载。操作系统应该是Mac OS。“/Library”是Mac OS上的标准基目录，在Linux上为小写。