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我一直當我使用的delayed_job收到此錯誤+ Rails的3.1 +的ActionMailer的Rails 3.1 +梅勒+ Delayed_jobs
Notifier.delay({:run_at => 1.minutes.from_now}).test_email
錯誤:
Class#test_email failed with NoMethodError: undefined method `test_email' for Class:Class