[Solved] No digital clock / calendar after latest KDE update

whaler · 2016-06-15 08:30:21

After installing the latest KDE updates today, the digital clock / calendar elements give this error message:

 Error loading QML-file: file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/main.qml:46:34: Type CalendarView unavailable
file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/CalendarView.qml:65:9: Type PlasmaCalendar.MonthView unavailable
file:///usr/lib/qt/qml/org/kde/plasma/calendar/MonthView.qml:173:19: Cannot assign object to property

Anyone else seen this? Trying to activate same from the collection of desktop elements produces the same errors.

Last edited by whaler (2016-06-15 14:05:54)

qso · 2016-06-15 11:48:19

This seems to be a Qt Bug! I have QML issues since Qt 5.6.1. It was working fine before.
Downgrading Qt to 5.6.0 fixed the issues. But this needs to be fixed by Qt people.

whaler · 2016-06-15 13:00:18

Thanks, qso. One would imagine that the KDE team could detect a relatively obvious error like this before releasing an update.

arojas · 2016-06-15 13:35:27

Or maybe it isn't that obvious. I'm not affected in any of my machines

WorMzy · 2016-06-15 13:52:29

No problems here either. Have you both logged out and back in since upgrading?

whaler · 2016-06-15 14:05:19

I always log out / in - actually restarting the entire system, just in case - whenever I upgrade.
Doing it a second time fixed the problem. Thanks.

However, I now have another problem, in Konsole, but that is a separate topic.

jswenson · 2016-06-15 15:43:45

I am getting the same error. I have restarted my system multiple times. The issue appears to be corrected after a restart but then it resurfaces when I log out and log back in without doing a full restart.

jswenson · 2016-06-15 16:43:06

I've downgraded my packages to 6/11/16 archives and everything seems to be working now. I'll try upgrading again when we get a newer version or if somebody can come up with a workaround.

Dioka82 · 2016-06-15 19:11:53

I have the same issue , it worked fine for a while than plasma restarted and the date calendar crashed

Last edited by Dioka82 (2016-06-15 19:23:05)

Xwang · 2016-06-15 19:39:31

jswenson wrote:

I am getting the same error. I have restarted my system multiple times. The issue appears to be corrected after a restart but then it resurfaces when I log out and log back in without doing a full restart.

Same as you!

dfaure · 2016-06-15 20:43:06

I have been seeing that error for some time (using git master), and I've been trying to debug it (deep inside qtdeclarative) for 2 days already.
I would very much welcome your help in finding out which version change triggers this. Is it really the upgrade from Qt 5.6.0 to 5.6.1, or given that you're all seeing this today, is it because of the KF 5.23 release (of plasma-framework), or a change in plasma-workspace itself?
(I tried downgrading plasma-framework and kdeclarative to 5.22, to no effect .... and I'm pretty sure I had this with Qt 5.6 branch too, not just with 5.7 branch ... but I don't understand why no other KDE developer around me is hitting this....)

When testing this, do killall plasmashell ; plasmashell & about 5 times, since the bug is related to timing (undefined loading order, race condition, or something), so sometimes it works and sometimes it doesn't.

My current findings: the bug happens when QtQuick/Controls/StackViewDelegate.qml is loaded before (and after) QtQuick/Controls/StackView.qml rather than only after (strace -f plasmashell to see it).

arojas · 2016-06-15 20:53:13

dfaure wrote:

I have been seeing that error for some time (using git master), and I've been trying to debug it (deep inside qtdeclarative) for 2 days already.
I would very much welcome your help in finding out which version change triggers this. Is it really the upgrade from Qt 5.6.0 to 5.6.1, or given that you're all seeing this today, is it because of the KF 5.23 release (of plasma-framework), or a change in plasma-workspace itself?
(I tried downgrading plasma-framework and kdeclarative to 5.22, to no effect .... and I'm pretty sure I had this with Qt 5.6 branch too, not just with 5.7 branch ... but I don't understand why no other KDE developer around me is hitting this....).

KF 5.23 is not in the stable repo yet. Given that Qt 5.6.1 was moved to stable yesterday, chances are it's Qt.

Buddlespit · 2016-06-15 22:21:24

arojas wrote:

Or maybe it isn't that obvious. I'm not affected in any of my machines

It's not very obvious. Plasma upgraded just fine on my desktop, but sddm and digital clock both broke on my laptop. I got the sddm issue fixed, btw (switched back to the breeze theme)...

qso · 2016-06-16 06:43:42

I really think that it is a Qt problem. I develop a Qt application without any KDE stuff and I ran into these problems after Qt upgrade to 5.6.1. It seems to be somehow random. I get different Qml errors, probably depending on what is processed first by the Qmlengine. The only way to resolve this was to downgrade to 5.6.0.
Someone has a similar problem here: https://forum.qt.io/topic/68124/possibl … and-5-7-rc

arojas · 2016-06-16 10:37:33

Fixed in qt5-declarative 5.6.1-2

Arch Linux

#1 2016-06-15 08:30:21

[Solved] No digital clock / calendar after latest KDE update

#2 2016-06-15 11:48:19

Re: [Solved] No digital clock / calendar after latest KDE update

#3 2016-06-15 13:00:18

Re: [Solved] No digital clock / calendar after latest KDE update

#4 2016-06-15 13:35:27

Re: [Solved] No digital clock / calendar after latest KDE update

#5 2016-06-15 13:52:29

Re: [Solved] No digital clock / calendar after latest KDE update

#6 2016-06-15 14:05:19

Re: [Solved] No digital clock / calendar after latest KDE update

#7 2016-06-15 15:43:45

Re: [Solved] No digital clock / calendar after latest KDE update

#8 2016-06-15 16:43:06

Re: [Solved] No digital clock / calendar after latest KDE update

#9 2016-06-15 19:11:53

Re: [Solved] No digital clock / calendar after latest KDE update

#10 2016-06-15 19:39:31

Re: [Solved] No digital clock / calendar after latest KDE update

#11 2016-06-15 20:43:06

Re: [Solved] No digital clock / calendar after latest KDE update

#12 2016-06-15 20:53:13

Re: [Solved] No digital clock / calendar after latest KDE update

#13 2016-06-15 22:21:24

Re: [Solved] No digital clock / calendar after latest KDE update

#14 2016-06-16 06:43:42

Re: [Solved] No digital clock / calendar after latest KDE update

#15 2016-06-16 10:37:33

Re: [Solved] No digital clock / calendar after latest KDE update

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