【问题标题】:Amazon-ecs gem returns 400 Bad Request ErrorAmazon-ecs gem 返回 400 错误请求错误
【发布时间】:2013-07-09 05:49:59
【问题描述】:

我正在尝试使用 amazon-ecs gem 来访问亚马逊产品广告 API。

好的,现在我正在运行一个非常简单的脚本来让它运行:

Amazon::Ecs.options = {
  :AWS_access_key_id => 'my_access_key_id',
  :AWS_secret_key => 'my_secret_key',
  :associate_tag => 'my_associate_tag'
}
res = Amazon::Ecs.item_search('ruby', :search_index => 'All')

但是,这会返回 400 Bad Request 错误。关于我能做什么的任何想法?

【问题讨论】:

    标签: ruby amazon


    【解决方案1】:

    我遇到了类似的问题,我是这样解决的:

    首先,我打电话给Amazon::Ecs.methods,看到有debugdebug=方法,Amazon::Ecs.debug被设置为false,所以很自然地我将它设置为真Amazon::Ecs.debug = true,然后尝试相同的搜索:

    Amazon::Ecs.item_search('ruby')
    
    # this time it gave the following output (secret keys masked by me)
    
    irb(main):020:0> Amazon::Ecs.item_search('ruby')
    Adding AWSAccessKeyId=*****************
    Adding AssociateTag=*****************
    Adding Keywords=ruby
    Adding Operation=ItemSearch
    Adding SearchIndex=Books
    Adding Service=AWSECommerceService
    Adding Timestamp=2015-11-13T20:25:04Z
    Adding Version=2011-08-01
    Request URL: http://ecs.amazonaws.com/onca/xml?AWSAccessKeyId=*****************&AssociateTag=*****************&Keywords=ruby&Operation=ItemSearch&SearchIndex=Books&Service=AWSECommerceService&Timestamp=2015-11-13T20%3A25%3A04Z&Version=2011-08-01&Signature=****************************%3D
    Amazon::RequestError: HTTP Response: 400 Bad Request
        from /Users/`whoami`/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/amazon-ecs-2.3.1/lib/amazon/ecs.rb:132:in `send_request'
        from /Users/`whoami`/.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/amazon-ecs-2.3.1/lib/amazon/ecs.rb:101:in `item_search'
        from (irb):20
        from /Users/`whoami`/.rbenv/versions/2.2.2/bin/irb:11:in `<main>'
    

    然后,我将 URL 复制/粘贴到浏览器中,浏览器给出如下 XML 响应:

    <ItemLookupErrorResponse xmlns="http://ecs.amazonaws.com/doc/2011-08-01/">
      <Error>
        <Code>AWS.InvalidAccount</Code>
        <Message>
            Your AccessKey Id is not registered for Product Advertising API. Please use the AccessKey Id obtained after registering at https://affiliate-program.amazon.com/gp/flex/advertising/api/sign-in.html
        </Message>
      </Error>
      <RequestId>********-****-****-****-************</RequestId>
    </ItemLookupErrorResponse>
    

    在我的特殊情况下,事实证明,我已经正确设置了所有内容,但是我最近刚刚创建了一个新的访问密钥,并且似乎需要几分钟才能接受我的新凭据。很有趣,当我意识到可能是这种情况后,我再次尝试,它成功了!

    编辑:如果不明显,答案在消息中: "您的 AccessKey Id 没有注册 Product Advertising API。请使用在https://affiliate-program.amazon.com/gp/flex/advertising/api/sign-in.html注册后获得的 AccessKey Id"

    【讨论】:

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