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dolphin: symbol lookup error: dolphin: undefined symbol: _ZN13KUrlNavigator9show

Bonjour,

I just did the update by running :
Code: [Select]
sudo pacman -Syu
Everything went well, except that I can't launch Dolphin anymore.


Code: [Select]
dolphin
dolphin: symbol lookup error: dolphin: undefined symbol: _ZN13KUrlNavigator9showEventEP10QShowEvent


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fastfetch --logo none
jp@jp-artix-Acer
----------------
OS: Artix Linux x86_64
Host: Aspire ES1-732 (V1.18)
Kernel: Linux 6.12.18-1-lts
Uptime: 10 mins
Packages: 1296 (pacman)
Shell: bash 5.2.37
Display (CMN1734): 1600x900 @ 60 Hz in 17" [Built-in]
DE: Xfce4 4.20
WM: Xfwm4 (X11)
WM Theme: Daloa
Theme: Adwaita-dark [GTK2/3/4]
Icons: breeze-dark [GTK2/3/4]
Font: Sans (11pt) [GTK2/3/4]
Cursor: Adwaita
Terminal: xfce4-terminal 1.1.4
Terminal Font: Monospace (14pt)
CPU: Intel(R) Pentium(R) N4200 (4) @ 2.50 GHz
GPU: Intel HD Graphics 505 @ 0.75 GHz [Integrated]
Memory: 1.19 GiB / 3.65 GiB (32%)
Swap: 0 B / 19.91 GiB (0%)
Disk (/): 14.12 GiB / 19.06 GiB (74%) - ext4
Disk (/media/77): 708.62 GiB / 873.04 GiB (81%) - ext4
Local IP (eth0): 192.168.1.10/24
Locale: fr_FR.UTF-8

Code: [Select]
pacman -Si dolphin
Dépôt                    : world
Nom                      : dolphin
Version                  : 24.12.3-1
Description              : KDE File Manager
Architecture             : x86_64
URL                      : https://apps.kde.org/dolphin/
Licences                 : LGPL-2.0-or-later
Groupes                  : kde-applications  kde-system
Fournit                  : --
Dépend de                : baloo  baloo-widgets  gcc-libs  glibc  kbookmarks
                           kcmutils  kcodecs  kcolorscheme  kcompletion
                           kconfig  kconfigwidgets  kcoreaddons  kcrash
                           kdbusaddons  kfilemetadata  kguiaddons  ki18n
                           kiconthemes  kio  kio-extras  kjobwidgets  knewstuff
                           knotifications  kparts  kservice  ktextwidgets
                           kuserfeedback  kwidgetsaddons  kwindowsystem
                           kxmlgui  phonon-qt6  qt6-base  solid
Dépendances opt.         : ffmpegthumbs: video thumbnails
                           kde-cli-tools: for editing file type options
                           kdegraphics-thumbnailers: PDF and PS thumbnails
                           kdenetwork-filesharing: samba usershare properties
                           menu
                           kio-admin: for managing files as administrator
                           konsole: terminal panel
                           purpose: share context menu
Est en conflit avec      : --
Remplace                 : --
Taille du téléchargement : 4,62 MiB
Taille installée         : 14,26 MiB
Paqueteur                : Cory Sanin <[email protected]>
Compilé le               : sam. 08 mars 2025 20:03:27
Validé par               : Somme SHA-256  Signature

So I ran :
Code: [Select]
sudo downgrade dolphin
and went back to version 24.12.2-1. This version still works.

Thunar is still working.


Re: dolphin: symbol lookup error: dolphin: undefined symbol: _ZN13KUrlNavigator9show

Reply #1 –
That looks like the system was upgraded when the package database was halfway to getting upgraded, so some packages have remained with old versions. This can happen if someone updates "too soon". I recently upgraded and dolphin works as it should, so you should try to upgrade, again.
 

Re: dolphin: symbol lookup error: dolphin: undefined symbol: _ZN13KUrlNavigator9show

Reply #3 –
Quote from: MorsMortium – on
That looks like the system was upgraded when the package database was halfway to getting upgraded, so some packages have remained with old versions. This can happen if someone updates "too soon".
This is why I always advocate for "atomic updates" on the servers: If dependent changes are pushed, do it to some temporary directories, and do a rename once everything has been updated on the servers; or do similar things with symlinks.