Bug 439054

Summary:	Handle lack of battery presence better
Product:	[Applications] kinfocenter	Reporter:	Alex <alex765>
Component:	Energy Information	Assignee:	Kai Uwe Broulik <kde>
Status:	RESOLVED FIXED
Severity:	normal	CC:	plasma-bugs-null
Priority:	NOR
Version First Reported In:	5.22.1
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:	https://invent.kde.org/plasma/kinfocenter/-/commit/cef3f0d99f9249fa64189063dd15d45c4971e8f7	Version Fixed/Implemented In:	5.23
Sentry Crash Report:

Description Alex 2021-06-23 09:04:42 UTC

When running this on a desktop, without a battery, the applet is blank, and this is printed to the terminal:

file:///usr/lib64/qt5/qml/org/kde/kirigami.2/templates/InlineMessage.qml:259:9: QML ActionToolBar: Binding loop detected for property "atBottom"
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:44: Error: Cannot assign [undefined] to QObject*
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'temperature' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyFullDesign' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyFull' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energy' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'voltage' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyRate' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'technology' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'serial' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'capacity' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'chargePercent' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'chargeState' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'rechargeable' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'temperature' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyFullDesign' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyFull' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energy' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'voltage' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'energyRate' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'technology' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'serial' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'capacity' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'chargePercent' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'chargeState' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/main.qml:483: TypeError: Cannot read property 'rechargeable' of null
file:///usr/share/kpackage/kcms/kcm_energyinfo/contents/ui/Graph.qml:68: TypeError: Cannot read property 'x' of undefined

Via system settings, this KCM is not exposed on desktop, so it's not much of an issue there. However, its accessible directly via kinfocenter.

Comment 1 Alex 2021-07-17 04:44:12 UTC

I think this has been fixed by https://invent.kde.org/plasma/kinfocenter/-/merge_requests/40