Questions about CalDav Syncproblems (three KDE machines + Android)

[Markus Feilner]

Ok, in my radicale Container I can see ics-Files popping up for new 
appointments coming in. I can confirm from that that TB and DavX work as 
promised. Will test now with Kontact, Akonadi and Merkuro. I am using the 
debugger and features of akonadikonsole. 


Am Freitag, 27. März 2026, 09:29:58 Mitteleuropäische Normalzeit schrieb 
Markus Feilner:
> Fun fact: I installed Merkuro and found that it shows a third set of
> calendar data. E.g. the appointment agreed upon via mail and postponed on
> Tuesday for today does not appear at all. Seems like the akonadi backend
> did not deliver neither one of the two to merkuro-calendar at all. So I
> have three different sets of data:
> 
> a) The Master on the caldav server that is correct and works fine with
> thunderbird and davX (Android)
> b) the set in Kontact-korganizer via akonadi
> c) the set in MerKuro via akonadi
> 
> I think I am getting there, slowly. What I also noticed: After a clean login
> (remove the calendar from korganizer, restart kontact, add it again) the
> data is correct, but as time goes by it is getting out of sync.
> 
> In will fiddle around with what happens when I export and import calendar
> data via files.
> 
> Thanks for letting me spam you here :-)
> 
> 
> Am Freitag, 27. März 2026, 08:56:03 Mitteleuropäische Normalzeit schrieb
> 
> Markus Feilner:
> > thanks for your answer, Vojtěch! Much appreciated.
> > 
> > Running a Radicale Caldav Server. That works like a charm with Thunderbird
> > and DavX - Android. Only KDE Kontact gets out of sync.
> > 
> > e.g. In Kontact, I accepted an appointment change on Tuesday (it was
> > scheduled for 10 am today, postponed to 15:00 today) that came in via
> > mail.
> > The change is only visible in the one KDE Kontact client that I accepted
> > the change in (via mail invite).
> > 
> > So this is one client that probably is out of sync, the change never
> > arrived on the server. This works fine with DavX and Thunderbird.
> > 
> > What I can reproduce is: Appointments in Thunderbird or DavX are
> > instantaneously written to the server, but not every KDE client does
> > recieve them, even though authentication and all server data are correct.
> > Sometimes akonadictl restart helps, but not always and not on all
> > machines. Weird
> > 
> > I would love to learn how to debug this in akonadiconsole e.g. – I'm
> > digging deeper here...
> > 
> > 
> > Am Freitag, 27. März 2026, 08:11:17 Mitteleuropäische Normalzeit schrieb
> > 
> > Vojtěch Zeisek:
> > > Dne pátek 27. března 2026 7:47:20, středoevropský standardní čas, Markus
> > > 
> > > Feilner napsal(a):
> > > > Hi there, is this the right place to start a thread about Caldav
> > > > sync problems with kontact / korganizer? I would love to learn
> > > > about debugging it.
> > > > I have three desktops with kontact, opensuse tumbleweed and
> > > > plasma6 plus a few android devices. And somehow they always
> > > > seem to be out of sync with my radicale CALDAV server.
> > > > I can provide more details if wanted.. but is there a korganizer
> > > > mailing list or so?
> > > 
> > > What is on the server side? I use it with NextCloud an SOGo and I don't
> > > have any issue... Did You double check that You download all resources
> > > You wish to sync, You have some reasonable sync interval, etc.?


-- 

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