heroku運行rake db：migrate失敗，並顯示“無法加載此類文件-調試器”

Question

嘗試遷移數據庫時出現此奇怪錯誤。 有人知道發生了什么嗎？

在我的任何遷移中都不require debugger調用。 不過，我確實有一些其他的rake任務不是遷移。 這可能是問題所在嗎？

me$ heroku run rake db:migrate --trace


Running `rake db:migrate --trace` attached to terminal... up, run.2463
rake aborted!
cannot load such file -- debugger
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
/app/lib/tasks/misc.rake:6:in `<top (required)>'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `block in load'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
/app/vendor/bundle/ruby/2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:222:in `load'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/engine.rb:641:in `block in run_tasks_blocks'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/engine.rb:641:in `each'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/engine.rb:641:in `run_tasks_blocks'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/application.rb:244:in `run_tasks_blocks'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/engine.rb:446:in `load_tasks'
/app/vendor/bundle/ruby/2.1.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing'
/app/Rakefile:6:in `<top (required)>'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/rake_module.rb:25:in `load'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/rake_module.rb:25:in `load_rakefile'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:637:in `raw_load_rakefile'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:94:in `block in load_rakefile'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:165:in `standard_exception_handling'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:93:in `load_rakefile'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:77:in `block in run'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:165:in `standard_exception_handling'
/app/vendor/ruby-2.1.0/lib/ruby/2.1.0/rake/application.rb:75:in `run'
/app/bin/rake:4:in `<main>'

Answer 1

喔好吧。 弄清楚了。 我的其他瑞克任務之一在其根范圍內require debugger 。 那就是丟掉heroku的原因。 問題解決了。