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[Bug] Calendar: CalDav events disappear, sync problems

asked 2014-12-09 09:29:45 +0200

Pistol gravatar image

updated 2014-12-09 12:02:11 +0200

I have my calendar synced with owncloud through CalDav. Jolla is my only device syncing with it.

Sometimes when a new event is created on the Jolla, it just disappears from Jollas calendar after a while (during sync I suppose?). The event is retained in the owncloud calendar - every newly created event is added on. So on Jolla I have no or one event, and on owncloud all duplicates (from repeated tries to set up an entry) are retained.

Similarly, when I move an event by changing its date in the Jolla calendar it gets moved back to the original date after some time (again, during sync?). Owncloud also shows the event on original date.

EDIT: Just tried setting up an event in owncloud and syncing to Jolla. Result: Selecting "synchronise" from pulley menu does nothing. After sync interval, events still don't appear in Jolla calendar. This is just bad! It is bad for the users, and it is bad for Jolla as a company. How can this product attract customers, when even the basic applications are so primitive and/or broken?!

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I have the same problem. I synced my calendar with many events to the jolla and it seemed to work, but when I change events in the owncloud, all the changed events disappear in the jolla calendar.

JoBo ( 2014-12-09 15:11:47 +0200 )edit

I discovered the same problem with my iCloud account (via CalDav experimental). The synced calendars are still available in the calendar application, but no appointments/events.

PenzelAn ( 2014-12-10 08:12:59 +0200 )edit

Same problem here, got me late to a few important events. CalDav really needs to be fixed.

remjey ( 2014-12-15 20:14:55 +0200 )edit

Similar problem here. My synced calendars (owncloud) are available in the calendar app, but I do not see any events. Creating an event on jolla syncs it to owncloud. I have my phone since a few days. All in all I'm quite happy with it, but this is an essential feature for me.

marxer ( 2014-12-17 17:11:02 +0200 )edit

I think that I have a similar problem, except the whole calendar disappears! I have two Google accounts that I get mail, contacts and calendar for (I am not using CalDav). Periodically both of those calendars disappear from the calendar app, completely, all events. When I go to Manage Calendars from the pulley menu, neither of them are listed, yet they are both still there in the account settings, with calendar selected. Sometimes a reboot sorts this out, sometime not, but it is hugely frustrating and when the calendars do come back, all the event reminders that I have set are now set back to 'Never'

jonicox ( 2015-01-08 15:03:40 +0200 )edit

1 Answer

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answered 2017-08-20 20:33:46 +0200

Tenus gravatar image

If you can see and have enabled your calendar under Settings -> Accounts but the calendar does not show in Calendar -> Manage Calendars (or if the calendar only briefly appears during sync and then vanishes again) then a possible reason is that the respective calendar's ICS text contains an invalid entry that causes the Jolla ICS parser to fail.

This solution worked for me:

  1. On a PC or Laptop download the ICS file from your online provider (Owncloud,, ...).
  2. Copy and paste the downloaded ICS text into one of the many online ICS validations, e.g. S.N. Severinghaus' validator.
  3. In any other PC or Laptop calendar application that has access to your calendar (e.g. Thunderbird Lightning or directly in the online provider's interface) delete the entire entry that contains the offending line (easy to identify using the Date-timeVALUE=... tag).
  4. Synchronise. Wait about 20 seconds for sync to go through. Do steps 1 and 4 above again until no more errors are found by the validator.
  5. Finally, synchronise your Jolla Calendar again. Under Calendar -> Manage Calendars the previously missing calendar should appear again.

Hope that helps.

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Thanks a lot, it works fine now, i really appreciate.

olami ( 2017-08-20 20:59:06 +0200 )edit
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Asked: 2014-12-09 09:29:45 +0200

Seen: 672 times

Last updated: Aug 20 '17