https://bugs.kde.org/show_bug.cgi?id=513494
Bug ID: 513494
Summary: Issue with Thumbnails when Migrating Cache
Classification: Applications
Product: dolphin
Version First 25.04.3
Reported In:
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
SUMMARY:
I migrated the location of my .cache, from /home/.cache to another drive,
/dataHDD/.cache, afterwards Dolphin would generate file previews, but could not
save them to disk -- no folder called /.cache/thumbnails existed -- resulting
in Dolphin generating the preview each time a directory was visited.
Without changing any settings, manually creating /.cache/thumbnails allowed
Dolphin to start saving previews to disk again in the new cache location, but
this should happen automatically.
STEPS TO REPRODUCE:
1. Create a new cache location, mkdir -p /dataHDD/.cache
2. Migrate with environment variable, echo 'export
XDG_CACHE_HOME="/dataHDD/.cache"' >> ~/.bashrc
3. Reboot system
4. Start Dolphin, which will now generate previews each and every time you open
a directory
5. Close Dolphin, create a thumbnails directory, mkdir
/dataHDD/.cache/thumbnails
6. Start Dolphin, Dolphin will now save thumbnails to disk, and load them from
disk
OBSERVED RESULT:
After migrating the system cache to a new location, Dolphin cannot save
thumbnail files to disk without the user first manually creating the thumbnails
directory in the new cache location.
EXPECTED RESULT:
After migrating the system cache to a new location, Dolphin should create the
thumbnails folder if it doesn't already exist, and be able to use it without
any user input.
SOFTWARE/OS VERSIONS:
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.2
Kernel Version: 6.12.57+deb13-amd64 (64-bit)
Graphics Platform: X11
Processors: 12 × Intel® Core™ i7-8700K CPU @ 3.70GHz
Memory: 32 GiB of RAM
Graphics Processor: NVIDIA GeForce RTX 3080 Ti
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