0
我收到這個奇怪的錯誤，當我嘗試遷移我的數據庫。有誰知道發生了什麼事？heroku運行耙db：遷移失敗，「無法加載這樣的文件 - 調試器」
在我的任何遷移中沒有require debugger電話。不過，我確實有一些不屬於遷移的rake任務。這有可能是這個問題嗎？
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>'