我们遇到了服务器问题，因此替换的虚拟机被启动了许多复制到新虚拟机的项目（即Ubuntu 12.04）。
我正在运行上限部署到服务器，一切顺利，直到rake db：migrate步骤，此时我得到：
** [out :: 63.247.75.161]耙子中止了！
** [out :: 63.247.75.161]未知验证器：'RedirectUriValidator'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activemodel-3.2.14/lib/active_model/validations/validates.rb:96:in {{ 1}}阻止验证'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activemodel-3.2.14/lib/active_model/validations/validates.rb:90:in {{ 1}}验证
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/doorkeeper-0.6.7/lib/doorkeeper/models/application.rb:10:in {{ 1}}”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/doorkeeper-0.6.7/lib/doorkeeper/models/application.rb:1:in {{ 1}}需要”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:251:in {{1} } load_dependency”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:251:in {{1} } enable_orm”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/doorkeeper-0.6.7/lib/doorkeeper/config.rb:10:in {{1} }”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:245:in {{1}阻止'加载'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:236:in {{1} }加载'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/engine.rb:593:in {{1} }每'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/engine.rb:592:in {{1} } instance_exec”
** [出:: 63.247.75.161]
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/initializable.rb:30:in {{1}在run_initializers中阻止'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/initializable.rb:54:in {{1} } run_initializers'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/application.rb:136:in {{1} } method_missing的”
** [out :: 63.247.75.161] /var/www/test/releases/20131011015404/config/environment.rb:5:in rescue in block in validates'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activemodel-3.2.14/lib/active_model/validations/validates.rb:93:in require'
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:251:in {{1} } load_dependency”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.14/lib/active_support/dependencies.rb:251:in {{1} } require_environment！”
** [out :: 63.247.75.161] /var/www/test/shared/bundle/ruby/1.9.1/gems/railties-3.2.14/lib/rails/application.rb:305:in`block（2等级）在initialize_tasks'中
** [out :: 63.247.75.161]任务：TOP =＆gt; db：migrate =＆gt;环境
** [out :: 63.247.75.161]（通过使用--trace运行任务查看完整跟踪）
我尝试了几种门卫，还有红宝石1.9.2和1.9.3。
我无法弄清楚为什么突然间它会被打破。自上次部署以来，我已经完成了很多应用程序更改，但是没有关于门卫实现的任何内容。