ruby-on-rails – 用于main的局部变量或方法`config’：Object(N

发布时间：2020-12-16 21:30:40 所属栏目：百科来源：网络整理

导读：我正在关注整合Omniauth Twitter Devise http://sourcey.com/rails-4-omniauth-using-devise-with-twitter-facebook-and-linkedin/的这篇文章,我遇到了阻止我启动我的rails应用程序的问题. /Users/javier/Desktop/definitive/config/environment.rb:8:in `to

我正在关注整合Omniauth Twitter Devise http://sourcey.com/rails-4-omniauth-using-devise-with-twitter-facebook-and-linkedin/的这篇文章,我遇到了阻止我启动我的rails应用程序的问题.

/Users/javier/Desktop/definitive/config/environment.rb:8:in `<top (required)>': undefined     local variable or method `config' for main:Object (NameError)
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/javier/Desktop/definitive/config.ru:3:in `block in <main>'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /Users/javier/Desktop/definitive/config.ru:in `new'
from /Users/javier/Desktop/definitive/config.ru:in `<main>'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/server.rb:50:in `app'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/server.rb:130:in `log_to_stdout'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/server.rb:67:in `start'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:81:in `block in server'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `tap'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `server'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/railties-4.1.1/lib/rails/commands.rb:17:in `<top (required)>'
from /Users/javier/Desktop/definitive/bin/rails:8:in `require'
from /Users/javier/Desktop/definitive/bin/rails:8:in `<top (required)>'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `load'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `call'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/client/command.rb:7:in `call'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/client.rb:26:in `run'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/bin/spring:48:in `<top (required)>'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `load'
from /Users/javier/.rvm/gems/ruby-2.1.2/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `<top (required)>'
from /Users/javier/Desktop/definitive/bin/spring:16:in `require'
from /Users/javier/Desktop/definitive/bin/spring:16:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'

我想问题是在config / environment.rb的第8行,但找不到正确的修复.是否有可能将environment.rb包含在’config / environments /’中？

解决方法

文章指出你应该把一些代码放在：

config/environments/[environment].rb

其中[environment] .rb用于表示以下文件之一：

config/environments/development.rb
config/environments/production.rb
config/environments/test.rb

如果您希望在不同的环境中进行相同的设置,也可以将代码放在config / application.rb中.

显示的代码行以config.*开头,它们应放在Rails.application.configure do块中.

典型的Rails 4应用程序中的config / environment.rb只是一个require和Rails.application.initialize！,不需要修改.

（编辑：李大同）

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