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Asked: 2026-05-26T04:49:04+00:00

I have an app that uses Amazon Product Advertising API at local with no

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I have an app that uses Amazon Product Advertising API at local with no issues. In order to push it to Heroku, I have to change the version of the aws gem I use to make it work with Heroku (“treyconnell-ruby-aaws” v0.8.3) and that version limits me to Rails 3.0.3 and to devise v1.1.8 gems.

When I downgrade gems and ‘bundle update’, something breaks even at local, guessing omniauth and devise start fighting. The server fail to starts with the following error log.

I tried many different configurations of loading omniauth gem, oa-auth, requiring omniauth/oauth etc, still the same error. What might be the issue here?

PS. I have to use this aws gem for now. 

/Users/eerdogan/Sites/myApp/config/initializers/devise.rb:17: undefined method `omniauth' for Devise:Module (NoMethodError)
    from /Library/Ruby/Gems/1.8/gems/devise-1.1.8/lib/devise.rb:183:in `setup'
    from /Users/eerdogan/Sites/myApp/config/initializers/devise.rb:3
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:235:in `load'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/engine.rb:201
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/engine.rb:200:in `each'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/engine.rb:200
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/initializable.rb:25:in `instance_exec'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/initializable.rb:25:in `run'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/initializable.rb:50:in `run_initializers'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/initializable.rb:49:in `each'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/initializable.rb:49:in `run_initializers'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/application.rb:134:in `initialize!'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/application.rb:77:in `send'
    from /Library/Ruby/Gems/1.8/gems/railties-3.0.3/lib/rails/application.rb:77:in `method_missing'
    from /Users/eerdogan/Sites/myApp/config/environment.rb:5
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:596:in `new_constants_in'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:225:in `load_dependency'
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.3/lib/active_support/dependencies.rb:239:in `require'
    from /Users/eerdogan/Sites/myApp/config.ru:3
    from /Library/Ruby/Gems/1.8/gems/rack-1.2.4/lib/rack/builder.rb:46:in `instance_eval'
    from /Library/Ruby/Gems/1.8/gems/rack-1.2.4/lib/rack/builder.rb:46:in `initialize'
    from /Users/eerdogan/Sites/myApp/config.ru:1:in `new'
    from /Users/eerdogan/Sites/myApp/config.ru:1

Edit: here is the devise.rb file:

# Use this hook to configure devise mailer, warden hooks and so forth. The first
# four configuration values can also be set straight in your models.
Devise.setup do |config|
  config.mailer_sender = "please-change-me-at-config-initializers-devise@example.com"
  require 'devise/orm/active_record'
  config.omniauth :facebook, "1*************", "3******************************"
  config.case_insensitive_keys = [ :email ]
  config.stretches = 10
  config.use_salt_as_remember_token = true
  config.reset_password_within = 2.hours
end
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1 Answer

  1. Editorial Team

    I think the config.facebook line in devise.rb is causing you the grief.

    I took a look at my devise.rb and I also have another file called omniauth.rb.

    (1) My devise.rb does not have the config.facebook line. Try removing that and see if it works.

    (2) I have a file called omniauth.rb, located in the same directory as devise.rb. I’m pasting it below:

    require 'openid/store/filesystem'

Rails.application.config.middleware.use OmniAuth::Builder do

  case Rails.env
  when "development"
    provider :facebook, 'XXX', 'XXXX' , {:scope => 'manage_pages,publish_stream,offline_access,email'}

  when "production"
    provider :facebook, 'XXX', 'XXXX', {:scope => 'manage_pages,publish_stream,offline_access,email', :client_options => {:ssl => {:ca_file => '/usr/lib/ssl/certs/ca-certificates.crt'}}}  
    end
end

    See if this works out for you. 🙂

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