[Tickets #12275] CalDAV subscriptions do not work

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Ticket URL: http://bugs.horde.org/ticket/12275
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  Ticket             | 12275
  Created By         | fabian.schlager at skyr.at
  Summary            | CalDAV subscriptions do not work
  Queue              | Kronolith
  Version            | 4.1.0beta2
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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fabian.schlager at skyr.at (2013-05-25 13:44) wrote:

CalDAV synchronisation does not work with my clients (Thunderbird,  
CalDAV Sync Beta on Android).
I have installed everything according to instructions and then  
upgraded kronolith to kronolith-beta (using pear, it now is at version  
4.1.0beta2).

The subscription URL for my calendar is (I have redacted my host  
information):  
http://horde.myhost.tld/rpc.php/calendars/myuser@myhost.tld/calendar:vWinF3HZnIl5NXmL1JvCag1/

Opening this URL in my browser prints a Sabre-Exception: "Calendar  
with name 'calendar:vWinF3HZnIl5NXmL1JvCag1' could not be found" and  
the following lines in my syslog:

May 25 15:33:31 x HORDE: [horde] PHP ERROR: array_merge(): Argument #2  
is not an array [pid 20279 on line 92 of  
"/usr/share/php/Horde/Dav/Calendar/Backend.php"]
May 25 15:33:31 x HORDE: [horde] PHP ERROR: Invalid argument supplied  
for foreach() [pid 20279 on line 164 of  
"/usr/share/php/Sabre/CalDAV/UserCalendars.php"]
May 25 15:33:31 x HORDE: [horde] PHP ERROR: array_merge(): Argument #2  
is not an array [pid 20279 on line 92 of  
"/usr/share/php/Horde/Dav/Calendar/Backend.php"]
May 25 15:33:31 x HORDE: [horde] PHP ERROR: Invalid argument supplied  
for foreach() [pid 20279 on line 164 of  
"/usr/share/php/Sabre/CalDAV/UserCalendars.php"]

The account subscription URL  
(http://horde.myhost.tld/rpc.php/principals/myuser@myhost.tld/)  
doesn't work either, altough no errors appear in syslog.

Regards,
Fabian