設計異步，拋出軌道後錯誤升級

Question

升級到Rails 3.1.10，與設備版本2.2.3後，將裝置異步引發以下錯誤，

/usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/devise-async-0.6.0/lib/devise/async.rb:42:in `<top (required)>': undefined method `add_module' for Devise:Module (NoMethodError) 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:240:in `require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:240:in `block in require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:223:in `block in load_dependency' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:640:in `new_constants_in' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:223:in `load_dependency' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.10/lib/active_support/dependencies.rb:240:in `require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/devise-async-0.6.0/lib/devise-async.rb:1:in `<top (required)>' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:68:in `block (2 levels) in require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `each' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:66:in `block in require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `each' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler/runtime.rb:55:in `require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/bundler-1.2.3/lib/bundler.rb:128:in `require' 
from /devel/off/ruby/rails/aodb/config/application.rb:7:in `<top (required)>' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.10/lib/rails/commands.rb:52:in `require' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.10/lib/rails/commands.rb:52:in `block in <top (required)>' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.10/lib/rails/commands.rb:49:in `tap' 
from /usr/share/ruby-rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.10/lib/rails/commands.rb:49:in `<top (required)>' 
from script/rails:6:in `require' 
from script/rails:6:in `<main>' 

任何想法做什麼？

Answer 1

在「gem devise」下面移動「gem devise-async」解決了這個問題。