Rails服務器錯誤-Rails 4

Question

我試圖返回在Rail4上創建另一個應用程序，當我嘗試啟動該應用程序時，發生了什么事情：

    prompt$ rails server
    /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/mysql2-0.4.5/lib/mysql2.rb:31:in `require': dlopen(/Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/mysql2-0.4.5/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib (LoadError)
    Referenced from: /Users/edwincaro/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/mysql2-0.4.5/lib/mysql2/mysql2.bundle
   Reason: image not found - /Users/edwincaro/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/mysql2-0.4.5/lib/mysql2/mysql2.bundle
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/mysql2-0.4.5/lib/mysql2.rb:31:in `<top (required)>'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:76:in `require'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:72:in `each'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:72:in `block in require'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:61:in `each'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler/runtime.rb:61:in `require'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/bundler-1.6.2/lib/bundler.rb:132:in `require'
   from /Users/ec/Sites/ticketsys/config/application.rb:7:in `<top (required)>'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/railties-4.0.0/lib/rails/commands.rb:76:in `require'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/railties-4.0.0/lib/rails/commands.rb:76:in `block in <top (required)>'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
   from /Users/ec/.rbenv/versions/1.9.3-p545/lib/ruby/gems/1.9.1/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (required)>'
   from bin/rails:4:in `require'
   from bin/rails:4:in `<main>'
   prompt$ 

我閱讀了之前在此處發布的所有“ Rails Server Error”，並嘗試了此處提供的大多數解決方案，但沒有一個對我有用。

我在想，也許文件dlopen是我所缺少的。

我將不勝感激

Answer 1

您需要重新安裝mysql庫。 然后：

gem uninstall mysql2

bundle install

針對新的mysql庫重建gem