RedMine + gem_dependency.rb：119：警告：Gem :: Dependency＃version_requirements已弃用，并将在2010年8月或之后删除

/ redmine $ ruby​​脚本/服务器-e生产     =>正在启动WEBrick     =>从http://0.0.0.0:3000开始的Rails 2.3.5应用程序     /home/siya/.rvm/gems/ruby-1.8.7-p330/gems/rails-2.3.5/lib/rails/gem_dependency.rb:119：警告：Gem :: Dependency＃version_requirements已弃用，将被删除在2010年8月或之后。使用#requirement     /home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:589:in

real_connect\': Can\'t connect to local MySQL server through socket \'/var/run/mysqld/mysqld.sock\' (2) (Mysql::Error)
        from /home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activerecord-2.3.5/lib/active_record/connection_adapters/mysql_adapter.rb:589:in

connect\' 重新启动应用程序时会发生此问题。实际上，昨天运行良好。但是今天我尝试了很多并搜索了网络，但没有成功。 谷歌搜索后，我得到一个命令来更新系统，即ie1ѭ 现在出现新错误：

/home/siya/.rvm/gems/ruby-1.8.7-p330/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:55: uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
    from /home/siya/.rvm/rubies/ruby-1.8.7-p330/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require\'