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ruby-on-rails - ActiveAdmin 评论模型无法正常工作

coder 2025-05-02 原文

我通过关注 Getting Started with Rails 创建了一个博客恰恰。然后我按照这里的教程尝试 ActiveAdmin:http://activeadmin.info/documentation.html .

它适用于 Post 和 Tag 模型(我登录并创建/添加/编辑内容)但不适用于 Comment 模型。

rails generate active_admin:resource Comment

create  app/admin/comments.rb

然后当我尝试启动服务器时，我得到了这个:

rails server=> Booting WEBrick
=> Rails 3.0.7 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server Exiting /usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin/namespace.rb:116:in
`find_or_build_resource': Tried to
register Comment as Comment but
already registered to Comment
(ActiveAdmin::ResourceMismatchError)
    from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin/namespace.rb:45:in
`register'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:141:in
`register'  from
/Users/myusername/Projects/RoR/blog/app/admin/comments.rb:1:in
`<top (required)>'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`load'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`block in load'     from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`block in load_dependency'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:596:in
`new_constants_in'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`load_dependency'   from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`load'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:185:in
`block in load!'    from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:185:in
`each'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:185:in
`load!'     from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:212:in
`routes'    from
/Users/myusername/Projects/RoR/blog/config/routes.rb:2:in
`block in <top (required)>'     from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/routing/route_set.rb:233:in
`instance_exec'     from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/routing/route_set.rb:233:in
`draw'  from
/Users/myusername/Projects/RoR/blog/config/routes.rb:1:in
`<top (required)>'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`load'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`block in load'     from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`block in load_dependency'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:596:in
`new_constants_in'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`load_dependency'   from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
`load'  from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:127:in `block in reload_routes!'    from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:127:in `each'   from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:127:in `reload_routes!'     from
/usr/local/lib/ruby/gems/1.9.1/gems/activeadmin-0.2.2/lib/active_admin.rb:123:in
`block in setup'    from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/callbacks.rb:420:in
`_run_prepare_callbacks'    from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/callbacks.rb:40:in
`initialize'    from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:33:in
`new'   from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:33:in
`build'     from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:79:in
`block in build'    from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:79:in
`each'  from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:79:in
`inject'    from
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.0.7/lib/action_dispatch/middleware/stack.rb:79:in
`build'     from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:162:in `app'    from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application/finisher.rb:35:in
`block in <module:Finisher>'    from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `instance_exec'     from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/initializable.rb:25:in `run'   from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/initializable.rb:50:in `block in run_initializers'     from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `each'  from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/initializable.rb:49:in `run_initializers'  from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:134:in `initialize!'    from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/application.rb:77:in
`method_missing'    from
/Users/myusername/Projects/RoR/blog/config/environment.rb:5:in
`<top (required)>'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in
`require'   from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in
`block in require'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`block in load_dependency'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:596:in
`new_constants_in'  from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
`load_dependency'   from
/usr/local/lib/ruby/gems/1.9.1/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in
`require'   from
/Users/myusername/Projects/RoR/blog/config.ru:3:in
`block in <main>'   from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in
`instance_eval'     from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:46:in
`initialize'    from
/Users/myusername/Projects/RoR/blog/config.ru:1:in
`new'   from
/Users/myusername/Projects/RoR/blog/config.ru:1:in
`<main>'    from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in
`eval'  from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/builder.rb:35:in
`parse_file'    from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:162:in
`app'   from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:248:in
`wrapped_app'   from
/usr/local/lib/ruby/gems/1.9.1/gems/rack-1.2.1/lib/rack/server.rb:213:in
`start'     from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/commands/server.rb:65:in `start'   from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/commands.rb:30:in
`block in <top (required)>'     from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/commands.rb:27:in
`tap'   from
/usr/local/lib/ruby/gems/1.9.1/gems/railties-3.0.7/lib/rails/commands.rb:27:in
`<top (required)>'  from
script/rails:6:in `require'     from
script/rails:6:in `<main>'

我们将不胜感激。

最佳答案

看起来像一个错误(ActiveAdmin 已经有它自己的内置 Comment 模型/类):https://github.com/gregbell/active_admin/issues/64

可能的解决方法是在 app/admin/comments.rb 中为您的 Comment 模型指定一个不同的名称:

ActiveAdmin.register Comment, :as => "PostComment" do

关于ruby-on-rails - ActiveAdmin 评论模型无法正常工作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/6252704/

ruby-on-railsActiveAdmingemsliblocalruby

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