NameError：未初始化的常量CarrierWave :: Storage :: Fog

时间：2016-02-03 10:25:44

标签： ruby-on-rails ruby-on-rails-4 carrierwave fog fog-aws

我在stackoverflow和github上尝试了几个解决方案，但无法找到解决方案。我正在使用 carrierwave（0.10.0）和 fog-aws（0.8.1）宝石为我的应用上传图片到S3。

NameError: uninitialized constant CarrierWave::Storage::Fog
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/configuration.rb:73:in `eval'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/configuration.rb:73:in `eval'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/configuration.rb:73:in `storage'
from /home/pulkit/dev/roid/rails/appbrowzer/app/uploaders/publisher_action_icon_uploader.rb:11:in `<class:PublisherActionIconUploader>'
from /home/pulkit/dev/roid/rails/appbrowzer/app/uploaders/publisher_action_icon_uploader.rb:3:in `<top (required)>'
from /home/pulkit/dev/roid/rails/appbrowzer/app/models/manage_channel_action.rb:3:in `<class:ManageChannelAction>'
from /home/pulkit/dev/roid/rails/appbrowzer/app/models/manage_channel_action.rb:1:in `<top (required)>'
from (irb):1
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/console.rb:110:in `start'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/console.rb:9:in `start'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:68:in `console'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:9:in `require'
from bin/rails:9:in `<main>'

当我尝试使用雾（1.37.0） gem而不是 fog-aws gem时，我得到了不同的错误。

ArgumentError:  is not a recognized provider
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/fog-core-1.35.0/lib/fog/core/services_mixin.rb:12:in `new'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/fog-core-1.35.0/lib/fog/storage.rb:27:in `new'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/storage/fog.rb:102:in `connection'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/storage/fog.rb:356:in `connection'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/storage/fog.rb:368:in `directory'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/storage/fog.rb:261:in `store'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/storage/fog.rb:80:in `store!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/store.rb:59:in `block in store!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/callbacks.rb:17:in `with_callbacks'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/uploader/store.rb:58:in `store!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/mount.rb:375:in `store!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/carrierwave-0.10.0/lib/carrierwave/mount.rb:207:in `store_icon!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:432:in `block in make_lambda'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:228:in `block in halting_and_conditional'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:506:in `block in call'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activesupport-4.2.5/lib/active_support/callbacks.rb:506:in `each'
... 10 levels...
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/transaction.rb:184:in `within_new_transaction'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/database_statements.rb:213:in `transaction'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:220:in `transaction'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:348:in `with_transaction_returning_status'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:286:in `block in save'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:301:in `rollback_active_record_state!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/transactions.rb:285:in `save'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/activerecord-4.2.5/lib/active_record/persistence.rb:34:in `create'
    from (irb):1
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/console.rb:110:in `start'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/console.rb:9:in `start'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:68:in `console'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
    from /home/pulkit/.rvm/gems/ruby-2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>'
    from bin/rails:9:in `require'
    from bin/rails:9:in `<main>'2.3.0 :002 >

5 个答案:

答案 0 :(得分：2)

确保您的配置文件（carrierwave.rb）位于初始化文件夹中。

答案 1 :(得分：1)

将您的gemfile从 gem“fog-aws”更新为 gem'flow'，要求：'fog / aws'。

答案 2 :(得分：0)

你是否加入了“雾霭”宝石？我觉得我没有按照文档的这一部分提出类似的错误：https://github.com/carrierwaveuploader/carrierwave#using-amazon-s3

答案 3 :(得分：0)

通过在我的Gemfile

中添加 Fog gem 解决了这个问题 
gem 'fog', require: 'fog/aws'

如http://bootsnipp.com/user/snippets/xaAXG所述，从 lib / carrierwave / storage / fog.rb 中删除配置文件，并将carrierwave配置放在 config / initializers / carrierwave.rb 

CarrierWave.configure do |config|
  config.fog_credentials = {
    :provider               => 'AWS',
    :aws_access_key_id      => 'XYZ',
    :aws_secret_access_key  => 'ABC',
    :region                 => 'region'
  }
  config.fog_directory  = 'bucket_name'
end

答案 4 :(得分：0)

对我来说，这是通过将config.storage = :fog移动到载波初始化程序中的config.fog_credentials = ...行之后来解决的。

via @mshibuya

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