Devise :: RegistrationsController＃create中的LoadError（无法加载此类文件-bcrypt_ext）。为什么会出现此错误？ [英] LoadError in Devise::RegistrationsController#create (cannot load such file -- bcrypt_ext). Why do I get this error?

问题描述

我正在使用ruby 2.2.4。安装Devise gem后尝试注册时出现此错误。我以前使用ruby 2.1.5时从未遇到此错误。红宝石版本是导致错误的原因吗？

I'm using ruby 2.2.4. I get this error when I tried to sign up after installing the Devise gem. I never experienced this error when I used to use ruby 2.1.5. Is the ruby version the cause of the error here?

更新：这是我的gemfile的样子，我使用的是Windows 7 Professional 64位

UPDATE: this is what my gemfile looks like and I'm using Windows 7 Professional 64-bit

source 'https://rubygems.org'


gem 'rails', '4.2.5.1'
gem 'sqlite3'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'simple_form', '~> 3.2', '>= 3.2.1'
gem 'country_select', '~> 2.5', '>= 2.5.1'
gem 'devise', '~> 3.5', '>= 3.5.6'

group :doc do
    gem 'sdoc', '~> 0.4.0'
end


group :development, :test do
  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
  gem 'byebug'
end

group :development do
  # Access an IRB console on exception pages or by using <%= console %> in views
  gem 'web-console', '~> 2.0'
end

# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

推荐答案

Devise 3.5.6需要bcrypt< = 3.0，您可能已经拥有了，但是某些版本的bcrypt在Windows上的特定版本的Ruby中不受支持。

Devise 3.5.6 needs bcrypt <= 3.0, which you probably have, but some versions of bcrypt were not supported with specific versions of Ruby on Windows, which is probably what you're seeing.

这就是我在 bcrypt github存储库中找到的内容：

This is what I dug up on the bcrypt github repo:

1) Launch a terminal session
2) Enter gem uninstall bcrypt
3) Enter gem uninstall bcrypt-ruby
4) Enter gem install bcrypt --platform=ruby
5) Edit your gemfile to include the following line:
   gem 'bcrypt-ruby', '3.1.5', :require => 'bcrypt'
6) Run bundle install

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