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只要我运行rails s，而不是让服务器运行，它立即退出。我很抱歉，如果这是一个荒谬的问题，我是非常新的轨道和Ubuntu的。我不确定是否有任何您需要的信息。在Ubuntu中运行rails s命令时出现错误
=> Booting WEBrick
=> Rails 5.0.1 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
Exiting
/var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/app/models/spree/base.rb:1:in `<top (required)>': uninitialized constant ApplicationRecord (NameError)
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:12:in `block in loading'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/concurrency/share_lock.rb:150:in `exclusive'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:11:in `loading'
from /var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/app/models/spree/payment_method.rb:2:in `<module:Spree>'
from /var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/app/models/spree/payment_method.rb:1:in `<top (required)>'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:12:in `block in loading'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/concurrency/share_lock.rb:150:in `exclusive'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:11:in `loading'
from /var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/app/models/spree/gateway.rb:2:in `<module:Spree>'
from /var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/app/models/spree/gateway.rb:1:in `<top (required)>'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:12:in `block in loading'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/concurrency/share_lock.rb:150:in `exclusive'
from /var/lib/gems/2.3.0/gems/activesupport-5.0.1/lib/active_support/dependencies/interlock.rb:11:in `loading'
from /var/lib/gems/2.3.0/gems/spree_core-3.2.0.rc3/lib/spree/core/engine.rb:39:in `block in <class:Engine>'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `instance_exec'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:30:in `run'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each'
from /usr/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:421:in `block in each_strongly_connected_component_from'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:415:in `each_strongly_connected_component_from'
from /usr/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component'
from /usr/lib/ruby/2.3.0/tsort.rb:347:in `each'
from /usr/lib/ruby/2.3.0/tsort.rb:347:in `call'
from /usr/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component'
from /usr/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each'
from /usr/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/initializable.rb:54:in `run_initializers'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/application.rb:352:in `initialize!'
from /home/aaron/kmd/config/environment.rb:5:in `<top (required)>'
from /var/lib/gems/2.3.0/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
from /var/lib/gems/2.3.0/gems/polyglot-0.3.5/lib/polyglot.rb:65:in `require'
from /home/aaron/kmd/config.ru:3:in `block in <main>'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `instance_eval'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `initialize'
from /home/aaron/kmd/config.ru:in `new'
from /home/aaron/kmd/config.ru:in `<main>'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `eval'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `new_from_string'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/builder.rb:40:in `parse_file'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/server.rb:318:in `build_app_and_options_from_config'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/server.rb:218:in `app'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/server.rb:59:in `app'
from /var/lib/gems/2.3.0/gems/rack-2.0.1/lib/rack/server.rb:353:in `wrapped_app'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/server.rb:124:in `log_to_stdout'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/server.rb:77:in `start'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:90:in `block in server'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `server'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
from /var/lib/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands.rb:18:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
请提供在此之前采取的所有步骤以设置新的导轨应用程序？ – grail
它看起来像'ApplicationRecord'的问题，Spree依赖它。请你可以发布你的'app/models/application_record.rb'文件的内容吗？ –
我没有在app/models /中看到application_record.rb文件。我看到的只是应用/模型/关注点。 – Aarpayne6