I've experienced an issue when importing a users calendar into Calendar Server. Client is iCal on 10.5.6. Importing fails with a 403: ==== snip ==== 2/17/09 01:00 iCal[1861] CalDAV CalDAVWriteEntityQueueableOperation failed: status 'HTTP/1.1 403 Forbidden' request: BEGIN:VCALENDAR VERSION:2.0 PRODID:-//Apple Inc.//iCal 3.0//EN CALSCALE:GREGORIAN BEGIN:VEVENT SEQUENCE:0 DTSTART:20050117T100000Z STATUS:CONFIRMED DTSTAMP:20050113T082300Z SUMMARY:WG Chairs meeting ATTENDEE;CN="***";CUTYPE=INDIVIDUAL;PARTSTAT=ACCEPTED;ROLE= REQ-PARTICIPANT:mailto:**** DTEND:20050117T150000Z DESCRIPTION:The meeting will take place at the \"Exchange Avenue\" meeti ng area. This is located on the third floor above Departures 1. Once ins ide the terminal\, follow the signs Departures 1 and 2 and Panorama terr ace. This will lead to the third floor\, above Departures 1.\n\n \nFor th ose driving to Schiphol\, car park P1 is the most convenient and is with in a short walk of the Terminal building.\n\n\nThe proposed agenda follo ws:\n\n\n1.) Welcome/Introduction\n2.) ****\n3.) RIPE *****\n4.) RIPE Meeting Day Tickets\n5.) Policy Development Process - WG Chair Duties\nnote: the PDP draft document can be accessed at:**** ****\n6.) AOB\n UID:29b#ab13#19e3d771&0065b3ds.. TRANSP:OPAQUE ORGANIZER:mailto:*** CREATED:20090217T115747Z END:VEVENT END:VCALENDAR ... response: HTTP/1.1 403 Forbidden Date: Tue, 17 Feb 2009 12:00:06 GMT Dav: 1, access-control, calendar-access, calendar-schedule, calendar- auto-schedule, calendar-availability, inbox-availability, calendar- proxy, calendarserver-private-events, calendarserver-private-comments, calendarserver-principal-property-search Content-Type: text/xml Content-Length: 136 Server: Twisted/2.5.0+rUnknown TwistedWeb/[twisted.web2, version 0.2.0 (SVN rUnknown)] TwistedCalDAV/trunk (r3669) <?xml version='1.0' encoding='UTF-8'?> <error xmlns='DAV:'> <valid-calendar-data xmlns='urn:ietf:params:xml:ns:caldav'/> </error> ==== snip ==== here's the server side: ==== snip ==== 2009-02-17 13:00:06+0100 [-] [caldav-8009] [-] [twisted.web2.dav.fileop#info] Writing to file /export/CalendarServer/ twistedcaldav/test/d ata/calendars/__uids__/0F/89/0F894EC9-2ECB-409B-9D9D-80E1EF00E23F/ calendar/29b#100a161#1cf62020&0065b3ds...ics 2009-02-17 13:00:06+0100 [-] [caldav-8009] [AMP,client] [twistedcaldav.extensions#info] PUT /calendars/__uids__/ 0F894EC9-2ECB-409B-9D9D-8 0E1EF00E23F/calendar/29b#ab13#19e3d771&0065b3ds...ics HTTP/1.1 2009-02-17 13:00:06+0100 [-] [caldav-8009] [-] [twistedcaldav.method.put_common#error] u'error: illegal escape sequence: \'\\"\'' ==== snip ==== There is then an option to revert to server which I press then I get: Request (CalDAVRevertEntityQueueableOperation) for calendar failed (code 1). logs from the client side: ==== snip ==== 2/17/09 01:17 iCal[1861] CalDAVOperationQueue tried to dequeue operation <CalDAVRefreshDelegateListQueueableOperation: 0x16a59e80> but it was not at the front of the queue. 2/17/09 01:17 [0x0-0x64064].com.apple.iCal[1861] 13:17:07.255 [iCal: 1861] ERROR (DAV): <[Request 0x302fe0] GET /calendars/__uids__/ 0F894EC9-2ECB-409B-9D9D-80E1EF00E23F/calendar/ 29b#ab13#19e3d771&0065b3ds...ics (for <DAVSession 0x16a49360 http://osx7.ripe.net:8008/

)>: can't get URL from request object 2/17/09 01:17 [0x0-0x64064].com.apple.iCal[1861] 13:17:07.255 [iCal: 1861] ERROR (DAV): <[Request 0x302fe0] GET /calendars/__uids__/ 0F894EC9-2ECB-409B-9D9D-80E1EF00E23F/calendar/ 29b#ab13#19e3d771&0065b3ds...ics (for <DAVSession 0x16a49360 http://osx7.ripe.net:8008/ )>: can't get URL from request object 2/17/09 01:17 iCal[1861] Exception in - [CalDAVAccountRefreshQueueableOperation refreshWithExceptionHandling] :: *** -[NSCFDictionary setObject:forKey:]: attempt to insert nil key 2/17/09 01:17 iCal[1861] Exception in - [CalDAVAccountRefreshQueueableOperation refreshWithExceptionHandling] :: *** -[NSCFDictionary setObject:forKey:]: attempt to insert nil key 2/17/09 01:17 [0x0-0x64064].com.apple.iCal[1861] 13:17:13.164 [iCal: 1861] ERROR (DAV): <[Request 0x16a4b910] GET /calendars/__uids__/ 0F894EC9-2ECB-409B-9D9D-80E1EF00E23F/calendar/ 29b#ab13#19e3d771&0065b3ds...ics (for <DAVSession 0x16a49360 http://osx7.ripe.net:8008/ )>: can't get URL from request object ==== snip ====

Any suggestions what the problem could be? I have exported the data from Oracle Coporoate time and imported into iCal directly, into sunbird then into ical and into ical local calendar to ical server calendar.