Bug 459406 - Plasma shell crashes on widget explorer startup if global app menu is in use in more than 2 panel
Summary: Plasma shell crashes on widget explorer startup if global app menu is in use ...
Status: RESOLVED DUPLICATE of bug 458829
Alias: None
Product: plasmashell
Classification: Plasma
Component: Global Menu widget (show other bugs)
Version: 5.25.5
Platform: Neon Linux
: NOR crash
Target Milestone: 1.0
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-09-19 17:07 UTC by Oliver Buchien
Modified: 2022-09-21 06:27 UTC (History)
3 users (show)

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Description Oliver Buchien 2022-09-19 17:07:23 UTC 
SUMMARY

When using the global app menu plamoid ("org.kde.plasma.appmenu") on any panel and then trying to add another widget with the widget explorer afterwards results in crash of plasmashell and no widget explorer shown.

It seems like 

P.S.: I am new  in KDE debugging so no backtrace available.

STEPS TO REPRODUCE
1. Add Global menu to some panel.
2. Exit Edit Mode
3. Use Add Widget to get widget-explorer 

OBSERVED RESULT

No widget-explorer opens and all panels/desktop close. Only an kstart5 plasmashell brings them back.

EXPECTED RESULT

Widget explorer should be visible.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Neon

KDE Plasma Version: 5.25.5 
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Kernel: 5.15.0-46-generic (64bit)
Graphics Platform: X11

ADDITIONAL INFORMATION
Removing Global Application Menu widget solves the issue until you re-add it to some panel.

System Journal States:
"Invalid plugin metadata. :(" which might come from widgetexplorer.cpp (I found it in a quick Github-Serach. )
Comment 1 Oliver Buchien 2022-09-20 09:35:24 UTC 
Some Addition: I realized that the crash only occurs with the global app menu is present in more than 1 panel e.g. on different monitors.
(In my case 2 Monitors with 1 global menu in a menu each.)
Comment 2 Nicolas Fella 2022-09-21 06:27:47 UTC 

*** This bug has been marked as a duplicate of bug 458829 ***