[CalendarServer-users] can't import har2009 calendar

Jelle de Jong jelledejong at powercraft.nl
Fri Jul 24 06:06:09 PDT 2009

Jelle de Jong wrote:
> Hi all,
> I am trying to import the har2009 ics calendar in my debian darwin
> calender server account via iceowl program but it generates the
> following errors:
> 2009-07-24 11:43:21+0200 [-] [caldav-8443]  [-] '"In transformToNative,
> unhandled exception: <type \'exceptions.ValueError\'>: mandatory DTSTART
> not found"'
> https://har2009.org/program/schedule.en.ics
> Could somebody please help me and maybe take a look what the actual
> problems is here?
> Its for an demonstration system so its kind of important for me that it
> works :D
> Thanks in advance,
> Jelle de Jong

I received some private mails, so please keep the discussion on the

I don't know if the schedule.en.ics complies with the standard, it seems
to be there are DTSTART in the document and the calender does load in a
non darwin caldav ical calender.

Are there any ical validators? Could somebody check if this is an issue
with the file or with the darwin calenderserver?

Thanks in advance,


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