Remote iCal not loading any appointments

mdabbs · Post by **mdabbs** » Fri Aug 07, 2015 4:37 pm

I have the URL of a remote calendar. It shows a webcal:// address but it is iCal. I can curl the calendar and retrieve data. I can enter the URL into Lightning and the calendar appears with appts. I used to be able to enter these into Zimbra web client and it would work but recently, any remote calendar I enter just creates the calendar with no errors, but no appointments are retrieved. Even calendars that I already have in there won't work if I add them again.
I upgraded to 8.6.0 1178 about a month ago and things had been working well since the upgrade but all of a sudden, I can no longer add remote calendars. Any idea what might have happened? Is there some dns cache or something that got poisoned? Is there a way to reset something?
One of the calendars I'm trying to load is: webcal://www.parkwaysouthhockey.com/ical_feed?tags=2005623

mdabbs · Post by **mdabbs** » Sat Aug 08, 2015 10:42 am

More info:

I removed all remote calendars and added the one above. It worked. I tried re-adding the others and they failed. Because the server is the same and only the tags variable is different, is it possible that Zimbra will only load one calendar from a given server address, regardless of the rest of the URI?
I AM able to load two remote calendars from different servers.

Gren Elliot · Post by **Gren Elliot** » Tue Aug 11, 2015 2:02 pm

I've tried with
webcal://www.parkwaysouthhockey.com/ical_feed?tags=2005623
for 1 folder and
webcal://www.parkwaysouthhockey.com/ical_feed?tags=1951009
for another.
Looking at the mailbox.log tracing for the import I see:
INFO [qtp99347477-193:http://0:0:0:0:0:0:0:1:7070//localhost:7070/service/soap/CreateFolderRequest]
[name=user4@pan.local;mid=2;ip=0:0:0:0:0:0:0:1;ua=ZimbraWebClient - FF40 (Mac)/0.0;]
datasource - Updating schedule for data source CAL-277
DEBUG [qtp99347477-193:http://0:0:0:0:0:0:0:1:7070//localhost:7070/service/soap/CreateFolderRequest]
[name=user4@pan.local;mid=2;ip=0:0:0:0:0:0:0:1;ua=ZimbraWebClient - FF40 (Mac)/0.0;]
calendar - Skip importing UID=20150731T144321_188358384_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150710T160229_192072451_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150710T160325_192072455_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150710T160413_192072458_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150710T160545_192072464_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150710T160628_192072468_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150729T094303_196837750_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150804T070325_197448763_ngin.com. Already in different folder id=257
calendar - Skip importing UID=20150731T151906_197455404_ngin.com. Already in different folder id=257
WARN [qtp99347477-193:http://0:0:0:0:0:0:0:1:7070//localhost:7070/service/soap/CreateFolderRequest]
[name=user4@pan.local;mid=2;ip=0:0:0:0:0:0:0:1;ua=ZimbraWebClient - FF40 (Mac)/0.0;]
calendar - Skipped importing 9 iCalendar objects with clashing UIDs

No calendar items are imported - the claimed reason being UID clashes. Is that what you are seeing?

It may be useful to enable more tracing before recreating the folders. The tracing goes to mailbox.log:
zmprov addAccountLogger fred@example.com zimbra.calendar TRACE
zmprov addAccountLogger fred@example.com zimbra.datasource TRACE

mdabbs · Post by **mdabbs** » Wed Aug 12, 2015 3:50 pm

Thanks Gren. I'll try to give that another shot. That is not exactly what I was seeing though. Where the 2+ calendars did have shared events, it was the unique events that I was not getting from each calendar. Where both calendars might have something on the 8th, but only one calendar had something on the 15th, I never saw the event for the 15th. Sort of like once it found one conflicting event, it refused all of the events on that calendar. Does that make sense?

Gren Elliot · Post by **Gren Elliot** » Thu Aug 13, 2015 3:23 am

That's possible but clearly not desirable if it is what is happening. If you could provide 2 URLs that demonstrate the problem, that would help us get to the bottom of it.