https://bugs.kde.org/show_bug.cgi?id=517831
Bug ID: 517831
Summary: Okular snap package fails to find
libPlasmaActivities.so.6 and fails to start
Classification: KDE Neon
Product: neon
Version First unspecified
Reported In:
Platform: Ubuntu
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Snaps
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY
Okular installed as snap package fails to start since roughly about 12th of
March 2026, with following log:
jan@WorkerTux:~$ okular
Warning: Schema “org.gnome.system.locale” has path “/system/locale/”. Paths
starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
Warning: Schema “org.gnome.system.proxy” has path “/system/proxy/”. Paths
starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
Warning: Schema “org.gnome.system.proxy.http” has path “/system/proxy/http/”.
Paths starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
Warning: Schema “org.gnome.system.proxy.https” has path “/system/proxy/https/”.
Paths starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
Warning: Schema “org.gnome.system.proxy.ftp” has path “/system/proxy/ftp/”.
Paths starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
Warning: Schema “org.gnome.system.proxy.socks” has path “/system/proxy/socks/”.
Paths starting with “/apps/”, “/desktop/” or “/system/” are deprecated.
/snap/okular/173/usr/bin/okular: error while loading shared libraries:
libPlasmaActivities.so.6: cannot open shared object file: No such file or
directory
The shared library is present on the system:
jan@WorkerTux:~$ ls -lah /usr/lib/x86_64-linux-gnu/libPlasmaActivities.so.*
lrwxrwxrwx 1 root root 28 Sep 9 2025
/usr/lib/x86_64-linux-gnu/libPlasmaActivities.so.6 ->
libPlasmaActivities.so.6.4.5
-rw-r--r-- 1 root root 275K Sep 9 2025
/usr/lib/x86_64-linux-gnu/libPlasmaActivities.so.6.4.5
STEPS TO REPRODUCE
1. Install okular via snap: sudo snap install okular
2. try to start okular from KDE Plasma Dolphin or via CLI: okular
OBSERVED RESULT
Okular fails to start due to failing to find/load shared library.
EXPECTED RESULT
Okular should start up and run normally.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Ubuntu 25.10, Kernel: Linux WorkerTux 6.17.0-19-generic
#19-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 6 14:02:58 UTC 2026 x86_64 GNU/Linux
KDE Plasma Version: 6.4.5
KDE Frameworks Version: 6.17.0
Qt Version: 6.9.2
Snap Version: 2.74.1
Okular Package Version in Snap:
jan@WorkerTux:~$ sudo snap list okular
Name Version Revision Tracking Herausgeber Hinweise
okular 25.04.3 173 latest/stable kde✓ -
ADDITIONAL INFORMATION
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