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I am trying to migrate my rails application from rails 3 version to rails 4 version.I am using devise gem for authentication and using devise gem version '3.0.0' . whenever i try to login in my app i am getting below error

undefined method `is_flashing_format?' for #<Devise::SessionsController:0x42422e8>

Please help

Thanks,

user2274074
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  • Looks similar to this [issue](http://stackoverflow.com/questions/20507963/overwriting-deviseregistrationscontroller-with-custom-create-gives-nomethode) – j-dexx Jan 23 '15 at 09:30
  • check this post! http://stackoverflow.com/questions/20507963/overwriting-deviseregistrationscontroller-with-custom-create-gives-nomethode – xiongbo027 Jan 23 '15 at 09:35

1 Answers1

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I upgraded my devise gem version to '3.4.1' and its working fine.

Thanks,

user2274074
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