Rails 6 中的森林管理员：ActionController::RoutingError（没有路由匹配 [OPTIONS] "/forest"）答案

【问题标题】：Forest admin in Rails 6: ActionController::RoutingError (No route matches [OPTIONS] "/forest")Rails 6 中的森林管理员：ActionController::RoutingError（没有路由匹配 [OPTIONS] "/forest"）
【发布时间】：2021-05-02 17:04:09
【问题描述】：

我尝试在 Rails 应用程序中使用 Forest Admin。按照他们的安装指南，我收到了这个错误，Forest 无法识别我的应用程序。我该怎么办？

Started OPTIONS "/forest" for ::1 at 2021-05-02 11:05:50 -0300
ActionController::RoutingError (No route matches [OPTIONS] "/forest"):
actionpack (6.0.3.6) lib/action_dispatch/middleware/debug_exceptions.rb:36:in `call'
web-console (4.1.0) lib/web_console/middleware.rb:132:in `call_app'
web-console (4.1.0) lib/web_console/middleware.rb:28:in `block in call'
web-console (4.1.0) lib/web_console/middleware.rb:17:in `catch'
web-console (4.1.0) lib/web_console/middleware.rb:17:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/show_exceptions.rb:33:in `call'
railties (6.0.3.6) lib/rails/rack/logger.rb:37:in `call_app'
railties (6.0.3.6) lib/rails/rack/logger.rb:26:in `block in call'
activesupport (6.0.3.6) lib/active_support/tagged_logging.rb:80:in `block in tagged'
activesupport (6.0.3.6) lib/active_support/tagged_logging.rb:28:in `tagged'
activesupport (6.0.3.6) lib/active_support/tagged_logging.rb:80:in `tagged'
railties (6.0.3.6) lib/rails/rack/logger.rb:26:in `call'
sprockets-rails (3.2.2) lib/sprockets/rails/quiet_assets.rb:13:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/remote_ip.rb:81:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/request_id.rb:27:in `call'
rack (2.2.3) lib/rack/method_override.rb:24:in `call'
rack (2.2.3) lib/rack/runtime.rb:22:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/executor.rb:14:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/static.rb:126:in `call'
rack (2.2.3) lib/rack/sendfile.rb:110:in `call'
actionpack (6.0.3.6) lib/action_dispatch/middleware/host_authorization.rb:82:in `call'
webpacker (4.3.0) lib/webpacker/dev_server_proxy.rb:23:in `perform_request'
rack-proxy (0.6.5) lib/rack/proxy.rb:57:in `call'
railties (6.0.3.6) lib/rails/engine.rb:527:in `call'
puma (4.3.7) lib/puma/configuration.rb:228:in `call'
puma (4.3.7) lib/puma/server.rb:713:in `handle_request'
puma (4.3.7) lib/puma/server.rb:472:in `process_client'
puma (4.3.7) lib/puma/server.rb:328:in `block in run'
puma (4.3.7) lib/puma/thread_pool.rb:134:in `block in spawn_thread'

【问题讨论】：

欢迎来到stackoverflow。您需要将代码围栏（````）放在单独的行上，以便格式正常工作。

标签： ruby-on-rails ruby rubygems forestadmin

【解决方案1】：

似乎错误不是Forest没有识别你的应用，而是你的应用不知道路由OPTIONS /forest。

有人在Forest Admin community forum 中报告了与您相同的问题。在这种情况下，是文件 config/initializers/forest_liana.rb 未正确部署的问题。

【讨论】：

谢谢。我已经设法再次安装并修复了它。