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我在Heroku它使用mongoid和delayed_job的應用程序，我已經從1.9.2改爲紅寶石版本1.9.3，我得到一個錯誤Heroku的零級錯誤，同時節省對象
undefined method `match' for nil:NilClass
而我嘗試保存對象mongoid數據的基礎上我mongoid.yaml文件看起來像
production:
sessions:
default:
uri: <%= ENV['MONGOHQ_URL'] %>
options:
skip_version_check: true
safe: true
痕跡這裏
NoMethodError: undefined method `match' for nil:NilClass
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions/mongo_uri.rb:49:in `initialize'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions/factory.rb:103:in `new'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions/factory.rb:103:in `parse'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions/factory.rb:62:in `create_session'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions/factory.rb:43:in `default'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions.rb:109:in `default'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions.rb:378:in `__session__'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions.rb:213:in `mongo_session'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions.rb:157:in `collection'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/sessions.rb:25:in `collection'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/operations.rb:27:in `collection'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/operations/insert.rb:27:in `block in persist'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/insertion.rb:25:in `block (2 levels) in prepare'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:403:in `_run__4034630009416245289__create__685777988298500290__callbacks'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:405:in `__run_callback'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:385:in `_run_create_callbacks'
... 2 levels...
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/insertion.rb:24:in `block in prepare'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:403:in `_run__4034630009416245289__save__685777988298500290__callbacks'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:405:in `__run_callback'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-3.2.6/lib/active_support/callbacks.rb:81:in `run_callbacks'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/callbacks.rb:114:in `run_callbacks'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/insertion.rb:23:in `prepare'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence/operations/insert.rb:26:in `persist'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence.rb:50:in `insert'
from /app/vendor/bundle/ruby/1.9.1/gems/mongoid-3.0.13/lib/mongoid/persistence.rb:79:in `save'
from (irb):2
from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.6/lib/rails/commands/console.rb:47:in `start'
from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.6/lib/rails/commands/console.rb:8:in `start'
from /app/vendor/bundle/ruby/1.9.1/gems/railties-3.2.6/lib/rails/commands.rb:41:in `<top (required)>'
from script/rails:6:in `require'
任何人都可以幫助我？在此先感謝
什麼是追溯報告？發生此錯誤的文件是什麼？ – zeantsoi
我已經更新了回溯的問題 –
嗯...根據你的回溯，無論出於何種原因，看起來Heroku認爲你在Ruby 1.9.1上。任何想法，爲什麼這可能是？這個答案可能有所幫助：http://stackoverflow.com/questions/11943470/heroku-not-using-the-specified-ruby-1-9-3 – zeantsoi