Backup failed, failed due to an unknown error

Bug #1764534 reported by Antoine on 2018-04-16
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Déjà Dup
Undecided
Unassigned

Bug Description

Hello,
Since this week, I have a problem with deja-dup, backup software, which worked very well for about 2 years, with a weekly adjustment. I have not changed anything yet about my system. I'm running with Xubuntu 16.04 installed since September 2016.

message: The backup failed, failed due to an unknown error.
and I have a whole long list posted here :

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 1405, in do_backup
    globals.archive_dir).set_values()
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 710, in set_values
    self.get_backup_chains(partials + backend_filename_list)
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 835, in get_backup_chains
    add_to_sets(f)
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 823, in add_to_sets
    if set.add_filename(filename):
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 105, in add_filename
    (self.volume_name_dict, filename)
AssertionError: ({1: 'duplicity-full.20161222T105139Z.vol1.difftar.gz', 2: 'duplicity-full.20161222T105139Z.vol2.difftar.gz', 3: 'duplicity-full.20161222T105139Z.vol3.difftar.gz', 4: 'duplicity-full.20161222T105139Z.vol4.difftar.gz', 5: 'duplicity-full.20161222T105139Z.vol5.difftar.gz', 6: 'duplicity-full.20161222T105139Z.vol6.difftar.gz', 7: 'duplicity-full.20161222T105139Z.vol7.difftar.gz', 8: 'duplicity-full.20161222T105139Z.vol8.difftar.gz', 9: 'duplicity-full.20161222T105139Z.vol9.difftar.gz', 10: 'duplicity-full.20161222T105139Z.vol10.difftar.gz', 11: 'duplicity-full.20161222T105139Z.vol11.difftar.gz', 12: 'duplicity-full.20161222T105139Z.vol12.difftar.gz', 13: 'duplicity-full.20161222T105139Z.vol13.difftar.gz', 14: 'duplicity-full.20161222T105139Z.vol14.difftar.gz', 15: 'duplicity-full.20161222T105139Z.vol15.difftar.gz', 16: 'duplicity-full.20161222T105139Z.vol16.difftar.gz', 17: 'duplicity-full.20161222T105139Z.vol17.difftar.gz', 18: 'duplicity-full.20161222T105139Z.vol18.difftar.gz', 19: 'duplicity-full.20161222T105139Z.vol19.difftar.gz', 20: 'duplicity-full.20161222T105139Z.vol20.difftar.gz', 21: 'duplicity-full.20161222T105139Z.vol21.difftar.gz', 22: 'duplicity-full.20161222T105139Z.vol22.difftar.gz', 23: 'duplicity-full.20161222T105139Z.vol23.difftar.gz', 24: 'duplicity-full.20161222T105139Z.vol24.difftar.gz', 25: 'duplicity-full.20161222T105139Z.vol25.difftar.gz', 26: 'duplicity-full.20161222T105139Z.vol26.difftar.gz', 27: 'duplicity-full.20161222T105139Z.vol27.difftar.gz', 28: 'duplicity-full.20161222T105139Z.vol28.difftar.gz', 29: 'duplicity-full.20161222T105139Z.vol29.difftar.gz', 30: 'duplicity-full.20161222T105139Z.vol30.difftar.gz', 31: 'duplicity-full.20161222T105139Z.vol31.difftar.gz', 32: 'duplicity-full.20161222T105139Z.vol32.difftar.gz', 33: 'duplicity-full.20161222T105139Z.vol33.difftar.gz', 34: 'duplicity-full.20161222T105139Z.vol34.difftar.gz', 35: 'duplicity-full.20161222T105139Z.vol35.difftar.gz', 36: 'duplicity-full.20161222T105139Z.vol36.difftar.gz', 37: 'duplicity-full.20161222T105139Z.vol37.difftar.gz', 38: 'duplicity-full.20161222T105139Z.vol38.difftar.gz', 39: 'duplicity-full.20161222T105139Z.vol39.difftar.gz', 40: 'duplicity-full.20161222T105139Z.vol40.difftar.gz', 41: 'duplicity-full.20161222T105139Z.vol41.difftar.gz', 42: 'duplicity-full.20161222T105139Z.vol42.difftar.gz', 43: 'duplicity-full.20161222T105139Z.vol43.difftar.gz', 44: 'duplicity-full.20161222T105139Z.vol44.difftar.gz', 46: 'duplicity-full.20161222T105139Z.vol46.difftar.gz', 47: 'duplicity-full.20161222T105139Z.vol47.difftar.gz', 48: 'duplicity-full.20161222T105139Z.vol48.difftar.gz', 52: 'duplicity-full.20161222T105139Z.vol52.difftar.gz'}, 'duplicity-full.20161222T105139Z.vol5.difftar.gz')

I tried to 'restore', I also deleted the last backup, but it did not change anything.
I also uninstalled and reinstalled, but nothing helps.
Everything is ok in the update.
I do not understand the reason ...
Thank you for your answers if you see where is the problem.

c sights (cwseys) wrote :

Happened here also:

Traceback (innermost last):
  File "/usr/bin/duplicity", line 1562, in <module>
    with_tempdir(main)
  File "/usr/bin/duplicity", line 1548, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 1400, in main
    do_backup(action)
  File "/usr/bin/duplicity", line 1426, in do_backup
    action).set_values()
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 710, in set_values
    self.get_backup_chains(partials + backend_filename_list)
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 836, in get_backup_chains
    add_to_sets(f)
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 824, in add_to_sets
    if set.add_filename(filename):
  File "/usr/lib/python2.7/dist-packages/duplicity/collections.py", line 105, in add_filename
    (self.volume_name_dict, filename)
 AssertionError: ({1: 'duplicity-full.20180512T001010Z.vol1.difftar.gpg', 2: 'duplicity-full.20180512T001010Z.vol2.difftar.gpg', 3: 'duplicity-full.20180512T001010Z.vol3.difftar.gpg', 10: 'duplicity-full.20180512T001010Z.vol10.difftar.gz', 11: 'duplicity-full.20180512T001010Z.vol11.difftar.gz', 12: 'duplicity-full.20180512T001010Z.vol12.difftar.gz', 13: 'duplicity-full.20180512T001010Z.vol13.difftar.gz', 14: 'duplicity-full.20180512T001010Z.vol14.difftar.gz', 15: 'duplicity-full.20180512T001010Z.vol15.difftar.gz', 16: 'duplicity-full.20180512T001010Z.vol16.difftar.gz', 17: 'duplicity-full.20180512T001010Z.vol17.difftar.gz', 18: 'duplicity-full.20180512T001010Z.vol18.difftar.gz', 19: 'duplicity-full.20180512T001010Z.vol19.difftar.gz', 20: 'duplicity-full.20180512T001010Z.vol20.difftar.gz', 21: 'duplicity-full.20180512T001010Z.vol21.difftar.gz', 22: 'duplicity-full.20180512T001010Z.vol22.difftar.gz', 23: 'duplicity-full.20180512T001010Z.vol23.difftar.gz', 24: 'duplicity-full.20180512T001010Z.vol24.difftar.gz', 25: 'duplicity-full.20180512T001010Z.vol25.difftar.gz', 26: 'duplicity-full.20180512T001010Z.vol26.difftar.gz', 27: 'duplicity-full.20180512T001010Z.vol27.difftar.gz', 28: 'duplicity-full.20180512T001010Z.vol28.difftar.gz', 29: 'duplicity-full.20180512T001010Z.vol29.difftar.gz'}, 'duplicity-full.20180512T001010Z.vol3.difftar.gz')

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