[Pkg-owncloud-maintainers] Bug#824507: owncloud-client symbol lookup error

[Leandro sullo sgorbio]

Package: owncloud-client
Version: 2.1.1+dfsg-1~bpo8+1
Severity: grave
Justification: renders package unusable

Dear Maintainer,

the new (2.2.0-2.2) and the old version (2.1.1+dfsg-1) suffers the same error,
trying to start the client I get this:

leandro at sgorbio:~$ owncloud 
owncloud: symbol lookup error: /usr/lib/x86_64-linux-gnu/libowncloudsync.so.0: undefined symbol: _ZN9QKeychain16WritePasswordJob6setKeyERK7QString

-- System Information:
Debian Release: 8.4
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'stable-updates'), (500, 'proposed-updates'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=it_IT.utf8, LC_CTYPE=it_IT.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages owncloud-client depends on:
ii  libc6                 2.19-18+deb8u4
ii  libgcc1               1:4.9.2-10
ii  libowncloudsync0      2.1.1+dfsg-1~bpo8+1
ii  libqt4-dbus           4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii  libqt4-network        4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii  libqt4-xml            4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii  libqt5sql5-sqlite     5.3.2+dfsg-4+deb8u1
ii  libqtcore4            4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii  libqtgui4             4:4.8.6+git64-g5dc8b2b+dfsg-3+deb8u1
ii  libqtkeychain0        0.6.2-1.1
ii  libqtwebkit4          2.3.4.dfsg-3
ii  libssl1.0.0           1.0.2d-1
ii  libstdc++6            4.9.2-10
ii  owncloud-client-l10n  1.7.0~beta1+really1.6.4+dfsg-1+deb8u1

owncloud-client recommends no packages.

owncloud-client suggests no packages.

-- Configuration Files:
/etc/sysconf.d/100-owncloud-inotify.conf a4b015d9a5dc4ea142b9cee49b4830c9 [Errno 2] File o directory non esistente: u'/etc/sysconf.d/100-owncloud-inotify.conf a4b015d9a5dc4ea142b9cee49b4830c9'

-- no debconf information