Puma caught this error: undefined method `call' for :debug:Symbol

Question

我的 rails 应用程序是 5.1.2。一切正常，直到今天我在 rails s .

时收到此错误

Use Ctrl-C to stop
2017-08-17 10:49:28 +0800: Rack app error handling request { GET / }
#<NoMethodError: undefined method `call' for :debug:Symbol
Did you mean?  caller>
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/reporting.rb:21:in `block (2 levels) in warn'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/reporting.rb:21:in `each'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/reporting.rb:21:in `block in warn'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/reporting.rb:20:in `tap'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/reporting.rb:20:in `warn'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/instance_delegator.rb:20:in `warn'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.1.2/lib/active_support/deprecation/instance_delegator.rb:27:in `warn'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.1.2/lib/rails/application.rb:506:in `validate_secret_key_config!'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.1.2/lib/rails/application.rb:247:in `env_config'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.1.2/lib/rails/engine.rb:692:in `build_request'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.1.2/lib/rails/application.rb:518:in `build_request'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.1.2/lib/rails/engine.rb:521:in `call'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.9.1/lib/puma/configuration.rb:224:in `call'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.9.1/lib/puma/server.rb:602:in `handle_request'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.9.1/lib/puma/server.rb:435:in `process_client'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.9.1/lib/puma/server.rb:299:in `block in run'
/Users/user/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.9.1/lib/puma/thread_pool.rb:120:in `block in spawn_thread'
2017-08-17 10:49:28 +0800: Rack app error handling request { GET /favicon.ico }
#<NoMethodError: undefined method `call' for :debug:Symbol
Did you mean?  caller>

我能想到的都试过了：

降级到 rails 5.1.0
已将 ruby 版本切换到 2.3.3 或 2.3.4

仍然没有运气。

感谢任何帮助。如果您需要更多信息，请告诉我。

谢谢！

Answer 1

看起来数据库不知何故损坏了。

由于它正在开发中，所以我只是rake db:drop db:create db:setup db:seed。

希望这对某人有所帮助。

谢谢。

更新

我又运行陷入了这个问题。自己记下。

仔细检查 .env 文件。

Puma caught this error: undefined method `call' for :debug:Symbol

Puma caught this error: undefined method `call' for :debug:Symbol

ruby

ruby-on-rails

puma