无效的路由名称，已在使用中：’admin_root’（ArgumentError） – ActiveAdmin安装失败
我跑了：
rails g active_admin:install 并得到此错误：
Invalid route name, already in use: 'admin_root' (ArgumentError) You may have defined two routes with the same name using the `:as` option, or you may be overriding a route already defined by a resource with the same naming. For the latter, you can restrict the routes created with `resources` as explained here:
我甚至不能跑rake路线。 当我这样做时，我得到了同样的错误。
这是我的路线文件：
Stynyl::Application.routes.draw do resources :things devise_for :users resources :users, only: [:show, :new, :create] get '/about', to: 'pages#about' root 'things#index' end
EDITS
我做了一个：
rails destroy active_admin:install
然后再次运行install命令。 得到同样的错误。 路线名称无效，已在使用中。
从架构中清除ActiveAdmin。 仍然有错误。
还注意到卸载不是100％干净。 留下一些样式和javascript文件，但那些似乎根本没有影响应用程序。
我像这样更新了我的Gemfile：
gem 'activeadmin', github: 'gregbell/active_admin' gem 'ransack', github: 'ernie/ransack' gem 'inherited_resources', github: 'josevalim/inherited_resources' gem 'formtastic', github: 'justinfrench/formtastic' group :development do gem 'sqlite3' end
试图运行ActiveAdmin安装生成器并得到相同的错误。 我无法迁移数据库。 这是我得到的错误：
SQLite3::SQLException: table "admin_users" already exists: CREATE TABLE "admin_users" ("id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, "email" varchar(255) DEFAULT '' NOT NULL, "encrypted_password" varchar(255) DEFAULT '' NOT NULL, "reset_password_token" varchar(255), "reset_password_sent_at" datetime, "remember_created_at" datetime, "sign_in_count" integer DEFAULT 0 NOT NULL, "current_sign_in_at" datetime, "last_sign_in_at" datetime, "current_sign_in_ip" varchar(255), "last_sign_in_ip" varchar(255), "created_at" datetime, "updated_at" datetime) /Users/DylanRichards/.rvm/gems/ruby-2.0.0-p247/gems/sqlite3-1.3.8/lib/sqlite3/database.rb:91:in `initialize'
检查我的架构文件，我甚至没有看到表“admin_users”。
但是，我现在可以做的是运行rake routes 。 这是输出：
Prefix Verb URI Pattern Controller#Action new_admin_user_session GET /admin/login(.:format) active_admin/devise/sessions#new admin_user_session POST /admin/login(.:format) active_admin/devise/sessions#create destroy_admin_user_session DELETE|GET /admin/logout(.:format) active_admin/devise/sessions#destroy admin_user_password POST /admin/password(.:format) active_admin/devise/passwords#create new_admin_user_password GET /admin/password/new(.:format) active_admin/devise/passwords#new edit_admin_user_password GET /admin/password/edit(.:format) active_admin/devise/passwords#edit PATCH /admin/password(.:format) active_admin/devise/passwords#update PUT /admin/password(.:format) active_admin/devise/passwords#update things GET /things(.:format) things#index POST /things(.:format) things#create new_thing GET /things/new(.:format) things#new edit_thing GET /things/:id/edit(.:format) things#edit thing GET /things/:id(.:format) things#show PATCH /things/:id(.:format) things#update PUT /things/:id(.:format) things#update DELETE /things/:id(.:format) things#destroy new_user_session GET /users/sign_in(.:format) devise/sessions#new user_session POST /users/sign_in(.:format) devise/sessions#create destroy_user_session DELETE /users/sign_out(.:format) devise/sessions#destroy user_password POST /users/password(.:format) devise/passwords#create new_user_password GET /users/password/new(.:format) devise/passwords#new edit_user_password GET /users/password/edit(.:format) devise/passwords#edit PATCH /users/password(.:format) devise/passwords#update PUT /users/password(.:format) devise/passwords#update cancel_user_registration GET /users/cancel(.:format) devise/registrations#cancel user_registration POST /users(.:format) devise/registrations#create new_user_registration GET /users/sign_up(.:format) devise/registrations#new edit_user_registration GET /users/edit(.:format) devise/registrations#edit PATCH /users(.:format) devise/registrations#update PUT /users(.:format) devise/registrations#update DELETE /users(.:format) devise/registrations#destroy admin_root GET /admin(.:format) admin/dashboard#index batch_action_admin_admin_users POST /admin/admin_users/batch_action(.:format) admin/admin_users#batch_action admin_admin_users GET /admin/admin_users(.:format) admin/admin_users#index POST /admin/admin_users(.:format) admin/admin_users#create new_admin_admin_user GET /admin/admin_users/new(.:format) admin/admin_users#new edit_admin_admin_user GET /admin/admin_users/:id/edit(.:format) admin/admin_users#edit admin_admin_user GET /admin/admin_users/:id(.:format) admin/admin_users#show PATCH /admin/admin_users/:id(.:format) admin/admin_users#update PUT /admin/admin_users/:id(.:format) admin/admin_users#update DELETE /admin/admin_users/:id(.:format) admin/admin_users#destroy admin_dashboard GET /admin/dashboard(.:format) admin/dashboard#index batch_action_admin_comments POST /admin/comments/batch_action(.:format) admin/comments#batch_action admin_comments GET /admin/comments(.:format) admin/comments#index POST /admin/comments(.:format) admin/comments#create admin_comment GET /admin/comments/:id(.:format) admin/comments#show users POST /users(.:format) users#create new_user GET /users/new(.:format) users#new user GET /users/:id(.:format) users#show about GET /about(.:format) pages#about root GET / things#index
所以我发现有人在这个问题上有同样的问题 – 但是说问题是ActiveAdmin将ActiveAdmin.routes(self)放在config/routes.rb文件中两次。
但是，你的路由根本没有那条线 – 我猜是因为你运行了rails destroy active_admin:install ，但这并不能解释为什么你在销毁之后仍然会得到那个错误。
你在用git吗？ 你能看出生成中是否有任何其他修改可能没有被破坏清除？ ActiveAdmin问题还暗示如果在生成期间发生错误，则生成无法正确完成。
另一个尝试是再次运行生成器，然后检查您的路由并确保ActiveAdmin.routes(self)只出现一次。
解决了它卸载ActiveAdmin，重新安装它，删除路由文件中的第二个ActiveAdmin.routes（self），然后删除我的模式文件。 之后，我运行rake db:reset并重新启动数据库。