[dolphin] [Bug 500380] New: Accessing a network share via Dolphin using systemd mount units logs an error the journal qt.core.qobject.connect: QObject::connect: No such signal

[hbr]

https://bugs.kde.org/show_bug.cgi?id=500380

            Bug ID: 500380
           Summary: Accessing a network share via Dolphin using systemd
                    mount units logs an error the journal
                    qt.core.qobject.connect: QObject::connect: No such
                    signal
    Classification: Applications
           Product: dolphin
           Version: 24.12.2
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: nepnep at pm.me
                CC: kfm-devel at kde.org
  Target Milestone: ---

Created attachment 178570
  --> https://bugs.kde.org/attachment.cgi?id=178570&action=edit
Example mount files

SUMMARY
I have set up a NFS network share via systemd auto mount units. The share stays
unmounted until it gets accessed by any application, e.g. by clicking on it
from the Places or Remote menu in dolphin.

When doing that from Dolphin the share gets mounted by systemd just fine but
logs the following errors to the journal:

19.02.25 08:59  dolphin qt.core.qobject.connect: QObject::connect: No such
signal Solid::Backends::Fstab::FstabStorageAccess::checkRequested(QString)

19.02.25 08:59  dolphin qt.core.qobject.connect: QObject::connect: No such
signal Solid::Backends::Fstab::FstabStorageAccess::checkDone(Solid::ErrorType,
QVariant, QString)

At the same time these errors also get logged for plasmashell:

19.02.25 08:59  plasmashell     qt.core.qobject.connect: QObject::connect: No
such signal Solid::Backends::Fstab::FstabStorageAccess::checkRequested(QString)

19.02.25 08:59  plasmashell     qt.core.qobject.connect: QObject::connect: No
such signal
Solid::Backends::Fstab::FstabStorageAccess::checkDone(Solid::ErrorType,
QVariant, QString)

STEPS TO REPRODUCE
1. Set up a NFS share using systemd auto mount units
2. Trigger mounting the share by clicking on it from Dolphin via a menu (Places
or Remote)
3. Check the journal

OBSERVED RESULT
The above error messages appear in the journal.

EXPECTED RESULT
No error happens / error messages get logged.

SOFTWARE/OS VERSIONS
Operating System: EndeavourOS 
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.2-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 30,9 GiB of RAM
Graphics Processor: AMD Radeon RX 7900 XTX
Manufacturer: ASRock
Product Name: X670E Steel Legend

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