大佬教程收集整理的这篇文章主要介绍了ruby-on-rails – 尝试使用rails的angularjs时出错：未定义的方法`register_engine’用于nil：NilClass(NoMethodError)，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
=> BooTing WEBrick => Rails 4.2.5 application starTing in development on http://localhost:3000 => Run `rails server -h` for more startup options => Ctrl-C to shutdown server ExiTing **/home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/angular-rails-templates-0.1.4/lib/angular-rails-templates/ENGIne.rb:49:in `block (2 levels) in <class:ENGIne>': undefined method `register_ENGIne' for nil:NilClass (NoMethodError)** from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/angular-rails-templates-0.1.4/lib/angular-rails-templates/ENGIne.rb:39:in `each' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/angular-rails-templates-0.1.4/lib/angular-rails-templates/ENGIne.rb:39:in `block in <class:ENGIne>' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:226:in `block in tsort_each' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `each' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `call' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:224:in `tsort_each' from /home/cb/.rvm/rubies/ruby-2.2.3/lib/ruby/2.2.0/tsort.rb:203:in `tsort_each' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!' from /home/cb/flapper-news/config/environment.rb:5:in `<top (required)>' from /home/cb/flapper-news/config.ru:3:in `require' from /home/cb/flapper-news/config.ru:3:in `block in <main>' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/builder.rb:55:in `instance_eval' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/builder.rb:55:in `initialize' from /home/cb/flapper-news/config.ru:in `new' from /home/cb/flapper-news/config.ru:in `<main>' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/builder.rb:49:in `eval' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/builder.rb:49:in `new_from_string' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/builder.rb:40:in `parse_file' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/server.rb:299:in `build_app_and_options_from_config' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/server.rb:208:in `app' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/server.rb:61:in `app' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/rack-1.6.4/lib/rack/server.rb:336:in `wrapped_app' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/server.rb:139:in `log_to_stdout' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/server.rb:78:in `start' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:80:in `block in server' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>' from /home/cb/flapper-news/bin/rails:9:in `require' from /home/cb/flapper-news/bin/rails:9:in `<top (required)>' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/client/rails.rb:28:in `load' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/client/rails.rb:28:in `call' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/client/command.rb:7:in `call' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/client.rb:28:in `run' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/bin/spring:51:in `<top (required)>' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/binstub.rb:11:in `load' from /home/cb/.rvm/gems/ruby-2.2.3@flapper-news/gems/spring-1.6.0/lib/spring/binstub.rb:11:in `<top (required)>' from /home/cb/flapper-news/bin/spring:13:in `require' from /home/cb/flapper-news/bin/spring:13:in `<top (required)>' from bin/rails:3:in `load' from bin/rails:3:in `<main>'
以下是Gemfile的代码片段：
source 'https://rubygems.org' gem 'angular-rails-templates' gem 'rails','4.2.5' gem 'sqlite3' gem 'sass-rails','~> 5.0' gem 'uglifier','>= 1.3.0' gem 'jbuilder','~> 2.0' gem 'sdoc','~> 0.4.0',group: :doc group :development,:test do gem 'byebug' end group :development do gem 'web-console','~> 2.0' gem 'spring' end
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