【发布时间】：2016-11-20 02:26:45
【问题描述】：
我是 ruby on rails 和编程的新手。我已按照互联网上的说明和设置 rails 应用程序。它第一次工作，但后来当我重新打开它并尝试运行'rails server'时它不起作用并返回以下错误。如果有人帮助我解决这个问题，我会很高兴，我已经在互联网上搜索了 5 个小时。 谢谢。
我正在使用 ruby 2.3.1p112 轨道 5.0 mysql 5.7.13 $ 导轨服务器
=> 启动彪马
=> Rails 5.0.0 应用程序在 http://localhost:3000 开始开发
=> 运行 rails server -h 以获得更多启动选项
退出
/Users/bruce/sea/config/routes.rb:6:in `': undefined
main:Object 的方法 `root' (NoMethodError)
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/activesupport-
5.0.0/lib/active_support/dependencies.rb:287:in `load'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/activesupport-
5.0.0/lib/active_support/dependencies.rb:287:in `block in load'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/activesupport-
5.0.0/lib/active_support/dependencies.rb:259:in `load_dependency'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/activesupport-
5.0.0/lib/active_support/dependencies.rb:287:in `load'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:40:in `block in load_paths'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:40:in `each'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:40:in `load_paths'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:16:in `reload!'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:26:in `block in updater'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/activesupport-
5.0.0/lib/active_support/file_update_checker.rb:77:in `execute'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:27:in `updater'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/routes_reloader.rb:7:in `execute_if_updated'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application/finisher.rb:119:in `block in '
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/initializable.rb:30:in `instance_exec'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/initializable.rb:30:in `run'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/initializable.rb:55:in `block in run_initializers'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:228:in `block in tsort_each'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:431:in `each_strongly_connected_component_from'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:349:in `block in each_strongly_connected_component'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:347:in `每个'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:347:in `call'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:347:in `each_strongly_connected_component'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:226:in `tsort_each'
from /Users/bruce/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0
/tsort.rb:205:in `tsort_each'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/initializable.rb:54:in `run_initializers'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/application.rb:352:in `initialize!'
from /Users/bruce/sea/config/environment.rb:5:in `<top (required)>'
from /Users/bruce/sea/config.ru:3:in `require_relative'
from /Users/bruce/sea/config.ru:3:in `block in <main>'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/builder.rb:55:in `instance_eval'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/builder.rb:55:in `initialize'
from /Users/bruce/sea/config.ru:in `new'
from /Users/bruce/sea/config.ru:in `<main>'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/builder.rb:49:in `eval'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/builder.rb:49:in `new_from_string'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/builder.rb:40:in `parse_file'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/server.rb:318:in `build_app_and_options_from_config'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/server.rb:218:in `app'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/server.rb:59:in `app'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/rack-2.0.1/lib
/rack/server.rb:353:in `wrapped_app'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/server.rb:124:in `log_to_stdout'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/server.rb:77:in `start'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/commands_tasks.rb:90:in `block in server'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/commands_tasks.rb:85:in `tap'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/commands_tasks.rb:85:in `server'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands/commands_tasks.rb:49:in `run_command!'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/railties-5.0.0/lib
/rails/commands.rb:18:in `'
from /Users/bruce/sea/bin/rails:9:in `require'
from /Users/bruce/sea/bin/rails:9:in `<top (required)>'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/client/rails.rb:28:in `load'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/client/rails.rb:28:in `call'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/client/command.rb:7:in `call'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/client.rb:30:in `run'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/bin
/spring:49:in `'
from /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/binstub.rb:11:in `load'
来自 /Users/bruce/.rvm/gems/ruby-2.3.1@global/gems/spring-1.7.2/lib
/spring/binstub.rb:11:in `'
from /Users/bruce/sea/bin/spring:13:in `require'
from /Users/bruce/sea/bin/spring:13:in `<top (required)>'
from bin/rails:3:in `load'`enter
from bin/rails:3:in `<main>'
【问题讨论】：
-
把你的 routes.rb 文件内容放在这里
-
您的
route.rb文件中显然有错字。请张贴在这里。/Users/bruce/sea/config/routes.rb:6:in': 未定义`
标签： mysql ruby-on-rails osx-elcapitan