[Bug 1152722] Re: package-data-downloader does not handle network errors gracefully

[Walter Garcia-Fontes]

*** This bug is a duplicate of bug 1037662 ***
    https://bugs.launchpad.net/bugs/1037662

** This bug has been marked a duplicate of bug 1037662
   flashplugin-installer does not honor proxy settings

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https://bugs.launchpad.net/bugs/1152722

Title:
  package-data-downloader does not handle network errors gracefully

Status in “update-notifier” package in Ubuntu:
  New

Bug description:
  This concerns update-notifier-common 0.126 in Ubuntu Quantal.

  I got this e-mail message from a system running inside a corporate
  network that blocks outbound port 80 connections (a proxy is required
  for Web access):

  Subject: Anacron job 'cron.daily' on test-ubuntu64

  /etc/cron.daily/update-notifier-common:
  Traceback (most recent call last):
    File "/usr/lib/update-notifier/package-data-downloader", line 234, in process_download_requests
      dest_file = urllib.urlretrieve(files[i])[0]
    File "/usr/lib/python2.7/urllib.py", line 93, in urlretrieve
      return _urlopener.retrieve(url, filename, reporthook, data)
    File "/usr/lib/python2.7/urllib.py", line 239, in retrieve
      fp = self.open(url, data)
    File "/usr/lib/python2.7/urllib.py", line 207, in open
      return getattr(self, name)(url)
    File "/usr/lib/python2.7/urllib.py", line 344, in open_http
      h.endheaders(data)
    File "/usr/lib/python2.7/httplib.py", line 958, in endheaders
      self._send_output(message_body)
    File "/usr/lib/python2.7/httplib.py", line 818, in _send_output
      self.send(msg)
    File "/usr/lib/python2.7/httplib.py", line 780, in send
      self.connect()
    File "/usr/lib/python2.7/httplib.py", line 761, in connect
      self.timeout, self.source_address)
    File "/usr/lib/python2.7/socket.py", line 571, in create_connection
      raise err
  IOError: [Errno socket error] [Errno 111] Connection refused
  flashplugin-installer: downloading http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.2.202.273.orig.tar.gz

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