[Duplicity-talk] error: AttributeError: 'NoneType' object has no attribute 'issparse' - Help?

[Stefan Hoth]

Hello list,

it's been a long time since I wrote you but since Sunday I have a 
strange error I can not resolve on my own.

I currently use duplicity 0.4.9 with the ftp backend.

When I do a backup like always I'm now getting this error:

+++ snip +++

Generating delta - new file: var/mail/virtual/hoth-line.de/info/tmp
gpg: block_filter 0x5e2280: read error (size=11218,a->size=11218)
gpg: block_filter 0x5e4020: read error (size=10345,a->size=10345)
gpg: mdc_packet with invalid encoding
gpg: decryption failed: invalid packet
gpg: block_filter: pending bytes!
gpg: block_filter: pending bytes!
Traceback (most recent call last):
  File "/usr/bin/duplicity", line 460, in ?
    with_tempdir(main)
  File "/usr/bin/duplicity", line 455, in with_tempdir
    fn()
  File "/usr/bin/duplicity", line 448, in main
    incremental_backup(sig_chain)
  File "/usr/bin/duplicity", line 186, in incremental_backup
    bytes_written = write_multivol("inc", tarblock_iter, globals.backend)
  File "/usr/bin/duplicity", line 87, in write_multivol
    globals.gpg_profile,globals.volsize)
  File "/usr/lib/python2.4/site-packages/duplicity/gpg.py", line 213, 
in GPGWriteFile
    data = block_iter.next(bytes_to_go).data
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
407, in next
    result = self.process(self.input_iter.next(), size)
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
261, in get_delta_iter_w_sig
    for new_path, sig_path in collated:
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
177, in collate2iters
    try: relem2 = riter2.next()
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
234, in combine_path_iters
    refresh_triple_list(triple_list)
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
222, in refresh_triple_list
    new_triple = get_triple(old_triple[1])
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
211, in get_triple
    try: path = path_iter_list[iter_index].next()
  File "/usr/lib/python2.4/site-packages/duplicity/diffdir.py", line 
139, in sigtar2path_iter
    for tarinfo in tf:
  File "/usr/lib/python2.4/site-packages/duplicity/tarfile.py", line 
1198, in next
    tarinfo = self.tarfile.next()
  File "/usr/lib/python2.4/site-packages/duplicity/tarfile.py", line 
565, in next
    if tarinfo.issparse():
AttributeError: 'NoneType' object has no attribute 'issparse'

+++ snip +++

This was made with loglevel 5.If you think level 9 would be more helpful 
 I'd try it too but since it creates a huuuge log I didn't want it to 
run if not necessary.

Any help to solve this issue would be appriciated.

Thanks in advance,

Stefan

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