Question

我有一个设置，其中cron作业定期从外部服务（Twilio）下载mp3文件，然后使用Paperclip将文件上传到Amazon S3。该过程由Resque在后台处理。

以下是处理从Twilio下载以及随后附加到Paperclip的代码：

# Perform transfer from Twilio to S3
def self.perform(group_recording_id = nil)
  gr = GroupRecording.find(group_recording_id)
  # ...
  recording = TwilioClient.account.recordings.get(gr.external_id)

  if recording.present?
    # ....
    gr.audio_file = download_remote_file(gr.twilio_mp3_url)
    gr.save
  end
end

def download_remote_file(url)
  io = open(URI.parse(url))  

  # overrides Paperclip::Upfile#original_filename
  def io.original_filename
    base_uri.path.split('/').last
  end
  io.original_filename.blank? ? nil : io
end

这与EOFError s：

失败

EOFError
end of file reached
/usr/local/lib/ruby/1.9.1/openssl/buffering.rb:145:in `sysread_nonblock'
/usr/local/lib/ruby/1.9.1/openssl/buffering.rb:145:in `read_nonblock'
/usr/local/lib/ruby/1.9.1/net/protocol.rb:135:in `rbuf_fill'
/usr/local/lib/ruby/1.9.1/net/protocol.rb:116:in `readuntil'
/usr/local/lib/ruby/1.9.1/net/protocol.rb:126:in `readline'
/usr/local/lib/ruby/1.9.1/net/http.rb:2219:in `read_status_line'
/usr/local/lib/ruby/1.9.1/net/http.rb:2208:in `read_new'
/usr/local/lib/ruby/1.9.1/net/http.rb:1191:in `transport_request'
/usr/local/lib/ruby/1.9.1/net/http.rb:1177:in `request'
/app/vendor/bundle/ruby/1.9.1/gems/rest-client-1.6.7/lib/restclient/net_http_ext.rb:51:in `request'
/usr/local/lib/ruby/1.9.1/open-uri.rb:312:in `block in open_http'
/usr/local/lib/ruby/1.9.1/net/http.rb:627:in `start'
/usr/local/lib/ruby/1.9.1/open-uri.rb:306:in `open_http'
/usr/local/lib/ruby/1.9.1/open-uri.rb:769:in `buffer_open'
/usr/local/lib/ruby/1.9.1/open-uri.rb:203:in `block in open_loop'
/usr/local/lib/ruby/1.9.1/open-uri.rb:201:in `catch'
/usr/local/lib/ruby/1.9.1/open-uri.rb:201:in `open_loop'
/usr/local/lib/ruby/1.9.1/open-uri.rb:146:in `open_uri'
/usr/local/lib/ruby/1.9.1/open-uri.rb:671:in `open'
/usr/local/lib/ruby/1.9.1/open-uri.rb:33:in `open'
/app/app/models/group_recording.rb:112:in `download_remote_file'
/app/app/models/group_recording.rb:85:in `perform'

以上是最常见的错误，但我也遇到过这个问题：

Errno::ECONNRESET
Connection reset by peer
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/openssl/buffering.rb:145:in `sysread_nonblock'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/openssl/buffering.rb:145:in `read_nonblock'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/protocol.rb:135:in `rbuf_fill'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/protocol.rb:86:in `read'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:2424:in `read_body_0'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:2379:in `read_body'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:321:in `block (2 levels) in open_http'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:1194:in `block in transport_request'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:2342:in `reading_body'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:1193:in `transport_request'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:1177:in `request'
/app/vendor/bundle/ruby/1.9.1/gems/rest-client-1.6.7/lib/restclient/net_http_ext.rb:51:in `request'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:312:in `block in open_http'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/net/http.rb:627:in `start'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:306:in `open_http'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:769:in `buffer_open'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:203:in `block in open_loop'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:201:in `catch'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:201:in `open_loop'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:146:in `open_uri'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:671:in `open'
/app/vendor/ruby-1.9.2/lib/ruby/1.9.1/open-uri.rb:33:in `open'
/app/app/models/group_recording.rb:113:in `download_remote_file'
/app/app/models/group_recording.rb:86:in `perform'

问题是断断续续的，最近刚刚在heroku的生产环境中开始发生，相关代码没有任何变化。该应用目前在heroku上ruby 1.9.3-p429。问题也出现在本地，但不太常见。我尝试了相同和较低的ruby版本（低至1.9.3-p194）。

有人遇到过类似的问题吗？在线搜索错误已经发现类似的错误，但是在完全不同的情况下。

Answer 1

这些是您在代码中应该遇到的瞬态网络错误，并重试操作（通常在短暂睡眠后）。互联网不可靠！

你应该记录重试，如果你注意到尖峰或不寻常的模式，你可能想要与你的服务提供商（heroku，twilio等）一起讨论，因为他们可能会有一些东西可以提供洞察力。< / p>

虽然确实没有改变，但你无法直接解决问题（如果确实没有改变）。

通过ruby OpenURI下载文件时出现间歇性EOF错误

1 个答案: