您好我是Rails的新手，并且完全不知道为什么rails服务器无法工作。我毫不怀疑答案在下面的所有代码中，但我完全陷入困境。有什么想法吗？
Notice: server is listening on all interfaces (0.0.0.0). Consider using 127.0.0.1 (--binding option)
=> Ctrl-C to shutdown server
Exiting
/Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:370:in `parse': (<unknown>): found character that cannot start any token while scanning for the next token at line 14 column 1 (Psych::SyntaxError)
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:370:in `parse_stream'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:318:in `parse'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/psych.rb:245:in `load'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/application.rb:313:in `secrets'
from /Users/user/workspace/learn-rails/config/environments/development.rb:33:in `block in <top (required)>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in `instance_eval'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/railtie.rb:210:in `configure'
from /Users/user/workspace/learn-rails/config/environments/development.rb:1:in `<top (required)>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:594:in `block (2 levels) in <class:Engine>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in `each'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/engine.rb:593:in `block in <class:Engine>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in `instance_exec'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:30:in `run'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:55:in `block in run_initializers'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:226:in `block in tsort_each'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:418:in `block (2 levels) in each_strongly_connected_component_from'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:427:in `each_strongly_connected_component_from'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:417:in `block in each_strongly_connected_component_from'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in `each'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:44:in `tsort_each_child'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in `call'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:411:in `each_strongly_connected_component_from'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `each'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `call'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:345:in `each_strongly_connected_component'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:224:in `tsort_each'
from /Users/user/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/tsort.rb:205:in `tsort_each'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/initializable.rb:54:in `run_initializers'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/application.rb:288:in `initialize!'
from /Users/user/workspace/learn-rails/config/environment.rb:5:in `<top (required)>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `block in require'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:232:in `load_dependency'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/activesupport-4.1.1/lib/active_support/dependencies.rb:247:in `require'
from /Users/user/workspace/learn-rails/config.ru:3:in `block in <main>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from /Users/user/workspace/learn-rails/config.ru:in `new'
from /Users/user/workspace/learn-rails/config.ru:in `<main>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:50:in `app'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:130:in `log_to_stdout'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/server.rb:67:in `start'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:81:in `block in server'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `tap'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:76:in `server'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/railties-4.1.1/lib/rails/commands.rb:17:in `<top (required)>'
from /Users/user/workspace/learn-rails/bin/rails:8:in `require'
from /Users/user/workspace/learn-rails/bin/rails:8:in `<top (required)>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `load'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/rails.rb:27:in `call'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client/command.rb:7:in `call'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/client.rb:26:in `run'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/bin/spring:48:in `<top (required)>'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `load'
from /Users/user/.rvm/gems/ruby-2.1.1/gems/spring-1.1.3/lib/spring/binstub.rb:11:in `<top (required)>'
from /Users/user/workspace/learn-rails/bin/spring:16:in `require'
from /Users/user/workspace/learn-rails/bin/spring:16:in `<top (required)>'
from bin/rails:3:in `load'
from bin/rails:3:in `<main>'
答案 0 :(得分：0)
config / secrets.yml文件无效。
YAML对空格敏感，因此请务必检查没有前导空格。如果您不确定YAML文件是否有效，请尝试将其粘贴到此yaml验证器http://yamllint.com/中以查看其是否有效。
答案 1 :(得分：0)
我解决了我的问题，恢复了Gemfile的最新版本