After the 2 days it fail with the following error:


2013-07-09 19:40:47 INFO    Starting job.
2013-07-09 19:40:47 INFO    Getting exising bzr branch from central store.
2013-07-09 19:40:48 INFO    [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2013-07-09 19:40:48 INFO    35 bytes transferred
2013-07-09 19:40:55 INFO    [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2013-07-09 19:42:14 INFO    2052 bytes transferred
Traceback (most recent call last):
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/scripts/code-import-worker.py", line 95, in <module>
    sys.exit(script.main())
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/scripts/code-import-worker.py", line 90, in main
    return import_worker.run()
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/lib/lp/codehosting/codeimport/worker.py", line 586, in run
    return self._doImport()
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/lib/lp/codehosting/codeimport/worker.py", line 736, in _doImport
    remote_branch_tip = remote_branch.last_revision()
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/bzrplugins/git/remote.py", line 498, in last_revision
    return self.lookup_foreign_revision_id(self.head)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/bzrplugins/git/remote.py", line 504, in head
    refs = self.bzrdir.get_refs_container()
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/bzrplugins/git/remote.py", line 299, in get_refs_container
    lambda x: None, lambda x: trace.mutter("git: %s" % x))
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/bzrplugins/git/remote.py", line 237, in fetch_pack
    graph_walker, pack_data, progress)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/lib/dulwich/client.py", line 743, in fetch_pack
    "git-upload-pack", url)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/lib/dulwich/client.py", line 660, in _discover_references
    resp = self._perform(req)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/bzrplugins/git/remote.py", line 358, in _perform
    return self._http_perform(req)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/eggs/bzr-2.5.1-py2.6-linux-x86_64.egg/bzrlib/transport/http/_urllib.py", line 76, in _perform
    response = self._opener.open(request)
  File "/usr/lib/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/eggs/bzr-2.5.1-py2.6-linux-x86_64.egg/bzrlib/transport/http/_urllib2_wrappers.py", line 1797, in http_response
    code, msg, hdrs)
  File "/usr/lib/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/srv/importd.launchpad.net/production/launchpad-rev-16696/eggs/bzr-2.5.1-py2.6-linux-x86_64.egg/bzrlib/transport/http/_urllib2_wrappers.py", line 1814, in http_error_default
    % (code, msg))
bzrlib.errors.InvalidHttpResponse: Invalid http response for https://github.com/zedtux/gtktwitterbox.git/info/refs?service=git-upload-pack: Unable to handle http code 502: Bad Gateway
Import failed:
Traceback (most recent call last):
Failure: twisted.internet.error.ProcessTerminated: A process has ended with a probable error condition: process ended with exit code 1.