[英]Stuck installing Rails: rails s and bundle exec rails server error
我使用的是Windows 7，Ruby 2.2.1和Rails 4.2.0。 运行rails s或bundle exec rails server后，我收到以下错误：
C:/Ruby22/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.6.2-x86-mingw32/lib/nokogiri.rb:29:in `require': cannot load such file -- nokogiri/nokogiri (LoadError)
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.6.2-x86-mingw32/lib/nokogiri.rb:29:in `rescue in <top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/nokogiri-1.6.6.2-x86-mingw32/lib/nokogiri.rb:25:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/loofah-2.0.1/lib/loofah.rb:3:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/loofah-2.0.1/lib/loofah.rb:3:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/rails-html-sanitizer-1.0.1/lib/rails-html-sanitizer.rb:2:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/rails-html-sanitizer-1.0.1/lib/rails-html-sanitizer.rb:2:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/sanitize_helper.rb:3:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/sanitize_helper.rb:3:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/text_helper.rb:32:in `<module:TextHelper>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/text_helper.rb:29:in `<module:Helpers>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/text_helper.rb:6:in `<module:ActionView>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/text_helper.rb:4:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_tag_helper.rb:18:in `<module:FormTagHelper>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_tag_helper.rb:14:in `<module:Helpers>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_tag_helper.rb:8:in `<module:ActionView>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_tag_helper.rb:6:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_helper.rb:4:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers/form_helper.rb:4:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers.rb:50:in `<module:Helpers>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers.rb:4:in `<module:ActionView>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/actionview-4.2.0/lib/action_view/helpers.rb:3:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/legacy_asset_tag_helper.rb:7:in `<module:LegacyAssetTagHelper>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/legacy_asset_tag_helper.rb:6:in `<module:Rails>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/legacy_asset_tag_helper.rb:4:in `<module:Sprockets>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/legacy_asset_tag_helper.rb:3:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/helper.rb:45:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/helper.rb:45:in `<module:Helper>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/helper.rb:7:in `<module:Rails>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/helper.rb:6:in `<module:Sprockets>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/rails/helper.rb:5:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/railtie.rb:6:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sprockets-rails-2.2.4/lib/sprockets/railtie.rb:6:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails/railtie.rb:2:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails/railtie.rb:2:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:11:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass/rails.rb:11:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/sass-rails-5.0.1/lib/sass-rails.rb:1:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:76:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:72:in `each'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:72:in `block in require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:61:in `each'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler/runtime.rb:61:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/bundler-1.8.4/lib/bundler.rb:134:in `require'
from C:/Users/David/Documents/testapp/config/application.rb:7:in `<top (required)>'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:78:in `require'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:78:in `block in server'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `tap'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `server'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from C:/Ruby22/lib/ruby/gems/2.2.0/gems/railties-4.2.0/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
我还运行了gem list ，并安装了这些gem。 这是某些宝石版本的问题吗？
此外，它是64位Windows; 它可能与此有关吗？ 我安装了32位，所以应该兼容，对吗？ 我将尝试使用64位版本的DevKit和Ruby卸载并重新安装所有内容。
谢谢！
我今天遇到了一个非常类似的问题。 我今天尝试新安装ruby和rails，但由于同样的原因，我无法让“rails server”工作。
为了使这个工作，您需要运行gem install nokogiri --platform="ruby"但这在Windows上失败，因为nokogiri在Windows上无法正确编译。
它应该与RubyGems推出的预编译二进制安装一起使用，但我认为RubyGems或nokogiri中的某个地方有一个错误导致它现在无法正常工作，但我不确定。
是的，所以我回到了2.0.0。 它起作用了。 你得到“DL已被弃用，请使用Fiddle”，我在这里找到， Ruby 2.0.0p0 IRB警告：“DL已被弃用，请使用Fiddle” ，只是一个警告。 仍然很快转向Ubuntu。
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