DC doesn't replicate, gets 500 status errors from server

I started testing today replication of contacts to Ubuntu One server, but it doesn't seem to work for me (replaced tokens with '*' just in case, but they were all the same):

2009-10-29 16:22:25,576 DEBUG started replicating
2009-10-29 16:22:25,715 DEBUG replication of discovered hosts finished
2009-10-29 16:22:25,783 DEBUG static pairings are [('fa616caa-fb2c-474d-9d93-15ff366ee262', 'ubuntuone', True, True)]
2009-10-29 16:22:25,784 DEBUG Looking up prefix for service 'ubuntuone'
2009-10-29 16:22:25,784 DEBUG Looking up prefix for service 'ubuntuone'
2009-10-29 16:22:25,936 DEBUG skipping record {'push_to_server': True, 'ctime': '2009-10-29 16:00', 'service_name': 'ubuntuone', '_rev': '1-605bd54dc1cdddbec178e6b9565ddad8', 'pairing_identifier': 'fa616caa-fb2c-474d-9d93-15ff366ee262', 'record_type': 'http://www.freedesktop.org/wiki/Specifications/desktopcouch/paired_server', 'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}, '_id': 'c95747b1be245333d009c7b676fd7ee6', 'pull_from_server': True} with no excluded_names
2009-10-29 16:22:25,937 DEBUG found 0 excluded_names records
2009-10-29 16:22:25,983 DEBUG want to replipush 'u/1d7/f7a/154/apps-gwibber' to static host 'fa616caa-fb2c-474d-9d93-15ff366ee262' @ couchdb.one.ubuntu.com
2009-10-29 16:22:25,984 DEBUG creating 'u/1d7/f7a/154/apps-gwibber' couchdb.one.ubuntu.com:443 {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
2009-10-29 16:22:27,530 ERROR can't create/verify 'u/1d7/f7a/154/apps-gwibber' couchdb.one.ubuntu.com:443 oauth={'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 212, in replicate
    oauth_tokens=target_oauth)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 196, in create_database
    oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server.py", line 55, in __init__
    server_class=server_class, oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server_base.py", line 121, in __init__
    if database not in self._server:
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 124, in __contains__
    self.resource.head(validate_dbname(name))
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 981, in head
    return self._request('HEAD', path, headers=headers, **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1035, in _request
    raise ServerError((status_code, error))
ServerError: (500, '')
2009-10-29 16:22:27,647 DEBUG asking 'http://localhost:49269/' to replicate apps-gwibber to {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fapps-gwibber', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}, using record {'source': 'apps-gwibber', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fapps-gwibber', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
2009-10-29 16:22:28,820 ERROR can't replicate 'apps-gwibber' 'http://localhost:49269/' <== {'source': 'apps-gwibber', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fapps-gwibber', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 252, in replicate
    content=record)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 985, in post
    **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1029, in _request
    raise ResourceNotFound(error)
ResourceNotFound: ('db_not_found', 'could not open https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fapps-gwibber/')
2009-10-29 16:22:28,821 DEBUG want to replipush 'u/1d7/f7a/154/bookmarks' to static host 'fa616caa-fb2c-474d-9d93-15ff366ee262' @ couchdb.one.ubuntu.com
2009-10-29 16:22:28,821 DEBUG creating 'u/1d7/f7a/154/bookmarks' couchdb.one.ubuntu.com:443 {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
2009-10-29 16:22:30,173 ERROR can't create/verify 'u/1d7/f7a/154/bookmarks' couchdb.one.ubuntu.com:443 oauth={'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 212, in replicate
    oauth_tokens=target_oauth)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 196, in create_database
    oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server.py", line 55, in __init__
    server_class=server_class, oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server_base.py", line 121, in __init__
    if database not in self._server:
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 124, in __contains__
    self.resource.head(validate_dbname(name))
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 981, in head
    return self._request('HEAD', path, headers=headers, **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1035, in _request
    raise ServerError((status_code, error))
ServerError: (500, '')
2009-10-29 16:22:30,180 DEBUG asking 'http://localhost:49269/' to replicate bookmarks to {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fbookmarks', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}, using record {'source': 'bookmarks', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fbookmarks', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
2009-10-29 16:22:31,057 ERROR can't replicate 'bookmarks' 'http://localhost:49269/' <== {'source': 'bookmarks', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fbookmarks', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 252, in replicate
    content=record)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 985, in post
    **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1029, in _request
    raise ResourceNotFound(error)
ResourceNotFound: ('db_not_found', 'could not open https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fbookmarks/')
2009-10-29 16:22:31,058 DEBUG want to replipush 'u/1d7/f7a/154/contacts' to static host 'fa616caa-fb2c-474d-9d93-15ff366ee262' @ couchdb.one.ubuntu.com
2009-10-29 16:22:31,058 DEBUG creating 'u/1d7/f7a/154/contacts' couchdb.one.ubuntu.com:443 {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
2009-10-29 16:22:32,131 ERROR can't create/verify 'u/1d7/f7a/154/contacts' couchdb.one.ubuntu.com:443 oauth={'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 212, in replicate
    oauth_tokens=target_oauth)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 196, in create_database
    oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server.py", line 55, in __init__
    server_class=server_class, oauth_tokens=oauth_tokens)
  File "/usr/lib/python2.6/dist-packages/desktopcouch/records/server_base.py", line 121, in __init__
    if database not in self._server:
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 124, in __contains__
    self.resource.head(validate_dbname(name))
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 981, in head
    return self._request('HEAD', path, headers=headers, **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1035, in _request
    raise ServerError((status_code, error))
ServerError: (500, '')
2009-10-29 16:22:32,161 DEBUG asking 'http://localhost:49269/' to replicate contacts to {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fcontacts', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}, using record {'source': 'contacts', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fcontacts', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
2009-10-29 16:22:32,818 ERROR can't replicate 'contacts' 'http://localhost:49269/' <== {'source': 'contacts', 'target': {'url': 'https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fcontacts', 'auth': {'oauth': {'consumer_secret': 'hammertime', 'token': '**********', 'consumer_key': 'ubuntuone', 'token_secret': '******************************************************************************'}}}}
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 252, in replicate
    content=record)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 985, in post
    **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1029, in _request
    raise ResourceNotFound(error)
ResourceNotFound: ('db_not_found', 'could not open https://couchdb.one.ubuntu.com/u%2F1d7%2Ff7a%2F154%2Fcontacts/')
2009-10-29 16:22:33,915 ERROR replication of services aborted
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/replication.py", line 178, in do_all_replication
    oauth_tokens=remote_oauth_data, service=True):
  File "/usr/lib/python2.6/dist-packages/desktopcouch/pair/couchdb_pairing/couchdb_io.py", line 115, in get_database_names_replicatable
    all_dbs = set([db_name for db_name in couchdb_server])
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 131, in __iter__
    resp, data = self.resource.get('_all_dbs')
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 978, in get
    return self._request('GET', path, headers=headers, **params)
  File "/usr/lib/pymodules/python2.6/couchdb/client.py", line 1035, in _request
    raise ServerError((status_code, error))
ServerError: (500, ('unknown_error', 'function_clause'))
2009-10-29 16:22:33,917 DEBUG finished replicating