rake路由rake中止！ArgumentError:必须使用路径和/或选项调用

Question

我将root :'lesson#index‘改为

根('lesson#index')

对于来自/home/govisun/.rvm/gems/ruby的‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.8/lib/action_dispatch/routing/route_set.rb:337:in instance_exec' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.8/lib/action_dispatch/routing/route_set.rb:337:ineval_block’中的错误/home/govisun/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.8/lib/action_dispatch/routing/mapper.rb:1504:in root': must be called with a path and/or options (ArgumentError) from /home/govisun/Documents/LessonApp/config/routes.rb:5:in块从/home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib加载‘from -2.1.0/gems/actionpack-4.1.8/lib/action_dispatch/routing/route_set.rb:315:in load' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:241:indraw' from /home/govisun/Documents/LessonApp/config/routes.rb:1:in in load’/active_support/dependencies.rb:232:in /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:40:in load‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:40:in block in load_paths' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:40:ineach’from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:40:in load_paths' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:16:inreload!‘从/ /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:26:in /govisun/.rvm/gems/ruby-2.1.0调用‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/file_update_checker.rb:75:in block in updater' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/file_update_checker.rb:75:in execute' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/routes_reloader.rb:27:inupdater’从/home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/initializable.rb:55:in execute_if_updated' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/finisher.rb:71:in运行‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/initializable.rb:30:in instance_exec' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/initializable.rb:30:inrun’中的/home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/initializable.rb:55:in execute_if_updated' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application/finisher.rb:71:inblock‘from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:348:in block (2 levels) in each_strongly_connected_component' from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:427:ineach_strongly_connected_component_from’from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:347:in /code>block‘来自/tsort_each/govisun/.rvm/rubies/ruby-2.1.0/中的/home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:347:in中的/code>blocklib/ruby/2.1.0/tsort.rb:345:in call' from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:345:ineach_strongly_connected_component‘from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:224:in tsort_each' from /home/govisun/.rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/tsort.rb:205:intsort_each’from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/initializable.rb:54:in run_initializers' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/application.rb:300:ininitialize!‘from /home/govisun/Documents/LessonApp/config/environment.rb:5:in <top (required)>' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in需要来自/home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in require' from /home/govisun/Documents/LessonApp/config.ru:3:inblock的‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in load_dependency’在‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in instance_eval' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:55:ininitialize’from /home/govisun/Documents/LessonApp/config.ru:in new' from /home/govisun/Documents/LessonApp/config.ru:in‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in eval' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:49:innew_from_string’中从/home/govisun/.rvm/ /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:40:in parse_file' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/server.rb:277:inbuild_app_and_options_from_config‘/ruby-2.1从/home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/server.rb:199:in app' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/server.rb:50:in应用程序的/home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/builder.rb:40:inparse_file' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/rack-1.5.2/lib/rack/server.rb:277:inbuild_app_and_options_from_config’。0/gems/rack-1.5.2/lib/rack/server.rb:314:in wrapped_app' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/server.rb:130:inlog_to_stdout‘from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/server.rb:67:in start' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:81:inblock in server’来自/home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_来自/home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands/commands_tasks.rb:40:in的/home/govisun/Documents/LessonApp/bin/rails:8:in run_command!' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/railties-4.1.8/lib/rails/commands.rb:17:in服务器来自/home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/lib/spring/client的tasks.rb:76:in require' from /home/govisun/Documents/LessonApp/bin/rails:8:in从/ /home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/lib/spring/client/command.rb:7:in /govisun/.rvm/gems/ruby-2.1‘从/home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/bin/spring:48:in <top (required)>' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/lib/spring/binstub.rb:11:in加载’从/home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/lib/spring/client/command.rb:7:in运行‘/rails.rb:27:in load' from /home/govisun/.rvm/gems/ruby-2.1.0/gems/spring-1.2.0/lib/spring/client/rails.rb:27:in调用rails需要从bin/ .0/gems/spring-1.2.0/lib/spring/binstub.rb:11:in加载‘from /home/govisun/Documents/LessonApp/bin/spring:16:in <top (required)>' from /home/govisun/Documents/LessonApp/bin/spring:16:in’：3:in‘’

它起作用了:-)

Answer 1

它应该是root 'lesson#index'或root to: path，如果要使用()，请确保没有空格root('lesson#index')。请查看api了解更多信息。