It seems everyone has a slightly different tracestack. The error I receive seems to come from the patchdir.py file.
Traceback (most recent call last): File "/usr/bin/duplicity", line 1532, in <module> with_tempdir(main) File "/usr/bin/duplicity", line 1526, in with_tempdir fn() File "/usr/bin/duplicity", line 1380, in main do_backup(action) File "/usr/bin/duplicity", line 1457, in do_backup restore(col_stats) File "/usr/bin/duplicity", line 722, in restore restore_get_patched_rop_iter(col_stats)): File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 560, in Write_ROPaths for ropath in rop_iter: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 523, in integrate_patch_iters for patch_seq in collated: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 389, in yield_tuples setrorps(overflow, elems) File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 378, in setrorps elems[i] = iter_list[i].next() File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 107, in filter_path_iter for path in path_iter: File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 121, in difftar2path_iter tarinfo_list = [tar_iter.next()] File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 339, in next self.set_tarfile() File "/usr/lib/python2.7/dist-packages/duplicity/patchdir.py", line 333, in set_tarfile self.current_fp = self.fileobj_iter.next() File "/usr/bin/duplicity", line 758, in get_fileobj_iter backup_set.volume_name_dict[vol_num], KeyError: 1 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to deja-dup in Ubuntu. https://bugs.launchpad.net/bugs/1422289 Title: Backup failed with duplicity assertion error Status in deja-dup package in Ubuntu: Confirmed Bug description: I have configured deja-dup to backup to an S3 folder and recently all backups are failing with this error: Traceback (most recent call last): File "/usr/bin/duplicity", line 1500, in <module> with_tempdir(main) File "/usr/bin/duplicity", line 1494, in with_tempdir fn() File "/usr/bin/duplicity", line 1327, in main action = commandline.ProcessCommandLine(sys.argv[1:]) File "/usr/lib/python2.7/dist-packages/duplicity/commandline.py", line 1047, in ProcessCommandLine globals.backend = backend.get_backend(args[0]) File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 221, in get_backend obj = get_backend_object(url_string) File "/usr/lib/python2.7/dist-packages/duplicity/backend.py", line 207, in get_backend_object return factory(pu) File "/usr/lib/python2.7/dist-packages/duplicity/backends/_boto_single.py", line 161, in __init__ self.resetConnection() File "/usr/lib/python2.7/dist-packages/duplicity/backends/_boto_single.py", line 183, in resetConnection self.conn = get_connection(self.scheme, self.parsed_url, self.storage_uri) File "/usr/lib/python2.7/dist-packages/duplicity/backends/_boto_single.py", line 97, in get_connection assert scheme == 's3' AssertionError ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: deja-dup 32.0-0ubuntu2 ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5 Uname: Linux 3.18.0-13-generic x86_64 ApportVersion: 2.16.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Mon Feb 16 10:48:38 2015 InstallationDate: Installed on 2015-01-09 (37 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150109) SourcePackage: deja-dup UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/deja-dup/+bug/1422289/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp