未初始化的常量ActionController :: Routing（NameError）

Question

我试图在Linux服务器上部署我的应用程序时出现此错误。 4.8.6。x86_64-pc-linux-gnu上的PostgreSQL 9.3.4，由x86_64-pc-linux-gnu-gcc编译（Gentoo 4.8.1-r1 p1.2，pie-0.5.7）4.8。 1，64位

uninitialized constant ActionController::Routing (NameError) 
    /home/divulgapocos/apps_rails/divulgapocos/config/initializers/new_rails_defaults.rb:14:in `<top (required)>' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/engine.rb:652:in `block in load_config_initializer' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.2.1/lib/active_support/notifications.rb:166:in `instrument' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/engine.rb:651:in `load_config_initializer' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/engine.rb:616:in `block (2 levels) in <class:Engine>' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/engine.rb:615:in `each' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/engine.rb:615:in `block in <class:Engine>' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `instance_exec' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:30:in `run' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:55:in `block in run_initializers' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:210:in `block (2 levels) in each_strongly_connected_component_from' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:209:in `block in each_strongly_connected_component_from' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:44:in `each' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:44:in `tsort_each_child' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:203:in `each_strongly_connected_component_from' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:180:in `each' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component' 
    /opt/ruby-2.0.0/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/initializable.rb:54:in `run_initializers' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.2.1/lib/rails/application.rb:352:in `initialize!' 
    /home/divulgapocos/apps_rails/divulgapocos/config/environment.rb:5:in `<top (required)>' 
    config.ru:3:in `require' 
    config.ru:3:in `block in <main>' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.6.1/lib/rack/builder.rb:55:in `instance_eval' 
    /opt/ruby-2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.6.1/lib/rack/builder.rb:55:in `initialize' 
    config.ru:1:in `new' 
    config.ru:1:in `<main>' 
    /opt/apx_passenger//helper-scripts/rack-preloader.rb:112:in `eval' 
    /opt/apx_passenger//helper-scripts/rack-preloader.rb:112:in `preload_app' 
    /opt/apx_passenger//helper-scripts/rack-preloader.rb:158:in `<module:App>' 
    /opt/apx_passenger//helper-scripts/rack-preloader.rb:29:in `<module:PhusionPassenger>' 
    /opt/apx_passenger//helper-scripts/rack-preloader.rb:28:in `<main>' 

我的Gemfile看起来像这样

source 'https://rubygems.org' 

gem 'rails', '4.2.1' 
gem 'sqlite3' 
gem 'sass-rails', '~> 5.0' 
gem 'uglifier', '>= 1.3.0' 
gem 'coffee-rails', '~> 4.1.0' 
gem 'jquery-rails' 
gem 'turbolinks' 
gem 'jquery-turbolinks' 
gem 'jbuilder', '~> 2.0' 
gem 'sdoc', '~> 0.4.0', group: :doc 
gem "paperclip", "~> 4.2" 
gem 'devise' 
gem 'pg' 
gem 'bootstrap-sass', '~> 3.3.4' 
gem 'autoprefixer-rails' 
gem 'masonry-rails', '~> 0.2.4' 
gem 'devise-bootstrap-views' 
gem 'paypal-recurring' 
gem 'therubyracer' 
gem 'activesupport' 
gem 'railties' 
gem 'rack' 


group :development, :test do 

    gem 'byebug' 
    gem 'web-console', '~> 2.0' 
    gem 'spring' 

end 

Answer 1

你已经更新Rails中的较早，2.x版这个程序。您的config/initializers/new_rails_defaults.rb中有一行使用ActionController::Routing常量，该常数在Rails 4.2中不再存在。

所以，基本上，这里的修正是将您的应用程序升级到4.2。我可以告诉你从你的文件中删除ActionController::Routing行，但可能这只是你在这里没有解决的许多其他问题之一。

这里的奇怪之处在于你没有提到在开发中存在相同的问题，这表明你实际上并没有在开发中使用Rails的版本，你认为你是。

祝你好运。