在我第一次部署Rails 4应用程序时,我刚刚在Heroku上成功地运行了rake db:migrate:Running `rake db:migratePass SKIP_RAILS_ADMIN_INITIALIZER=false if you need it.', '4.0.2'gem 'cancan'
gem '
/commands/console.rb:9:in `start'
from /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/railsfrom /app/vendor/bundle/ruby/2.2.0/gems/railties-4.2.5.1/lib/rails/c