Upload feature doesn't work for any file types

The drag and drop upload feature doesn't work for me, for any file types (including odt and doc). When uploading a file, I get a notification that the file is being uploaded and nothing else after that.

Here's the cli output:

[_LOG_LEVEL_INFO 18:18:16.086672] Application.vala:71: GWoffice version: 0.1
[_LOG_LEVEL_INFO 18:18:16.086864] Application.vala:73: Kernel version: 3.2.0-26-generic-pae
[_LOG_LEVEL_FATAL 18:18:16.227664] ___lambda51_: assertion `auth != NULL' failed
[_LOG_LEVEL_FATAL 18:18:16.227733] GWoffice will not function properly.
[_LOG_LEVEL_DEBUG 18:18:16.230562] [Gtk] Connecting to session manager
[_LOG_LEVEL_DEBUG 18:18:16.236003] GWoffice.vala:706: Application activated
[_LOG_LEVEL_DEBUG 18:18:16.265103] Settings.vala:155: Loading settings from schema 'org.gnome.gwoffice'
[_LOG_LEVEL_INFO 18:18:18.111636] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-07-02T13:06:29.789Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.111841] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.112290] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-07-02T13:06:15.087Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.112440] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.112893] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-07-02T13:05:53.308Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.113046] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.113496] [libgdata] Unhandled XML in GDataDocumentsPresentation: <docs:modifiedByMeDate>2012-07-02T13:02:03.271Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.113640] [libgdata] Unhandled XML in GDataDocumentsPresentation: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.114059] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-07-02T12:56:54.732Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.114207] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.114585] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.114990] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.115372] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.115851] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.116315] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-05-30T11:58:43.607Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.116533] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.117107] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.117732] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.118102] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.118459] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.118537] [libgdata] Unhandled XML in GDataDocumentsText: <docs:description/>
[_LOG_LEVEL_INFO 18:18:18.118601] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.118805] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2012-02-16T09:52:04.923Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.118872] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.119054] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.119274] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2012-02-06T11:01:35.680Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.119346] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.119408] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.119566] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.119889] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.120213] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-12-19T13:19:39.250Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.120303] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.120670] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-12-14T14:32:20.269Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.120775] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.121084] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-11-27T07:10:51.965Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.121182] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.121531] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-11-27T07:10:50.072Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.121684] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.122550] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-11-27T07:10:49.256Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.122822] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.123780] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-11-27T07:10:48.341Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.124050] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.125014] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-11-09T12:04:57.577Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.125328] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.126319] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-10-19T13:32:56.804Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.126587] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.127498] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-10-18T18:21:53.106Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.127797] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.128672] [libgdata] Unhandled XML in GDataDocumentsText: <docs:modifiedByMeDate>2011-10-07T10:46:45.903Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.128936] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.129541] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-10-05T13:54:07.348Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.129625] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.129704] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.129756] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130005] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-09-22T22:59:12.549Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.130059] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.130299] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-09-15T16:21:52.079Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.130393] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.130471] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130551] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130596] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130669] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130717] [libgdata] http://schemas.google.com/docs/2007#pdf documents are not handled yet
[_LOG_LEVEL_INFO 18:18:18.130967] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-09-07T08:19:39.685Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.131041] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.131297] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-08-29T17:48:05.389Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.131382] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.131606] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-08-16T12:18:06.888Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.131676] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.131970] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-07-27T14:24:13.639Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.132046] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.132290] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-07-19T20:49:24.838Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.132366] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.132582] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.132836] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.133045] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.133335] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2011-03-21T14:24:41.247Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.133414] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.133605] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.133764] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.133915] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134097] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <docs:modifiedByMeDate>2010-07-25T17:45:12.938Z</docs:modifiedByMeDate>
[_LOG_LEVEL_INFO 18:18:18.134153] [libgdata] Unhandled XML in GDataDocumentsSpreadsheet: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134297] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134447] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134598] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134744] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.134895] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.135054] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_INFO 18:18:18.135197] [libgdata] Unhandled XML in GDataDocumentsText: <gd:quotaBytesUsed>0</gd:quotaBytesUsed>
[_LOG_LEVEL_DEBUG 18:18:48.247991] GWoffice.vala:745: Open request with 1 files

After that, nothing happens.