On 3/29/2016 3:44 PM, Chris ([email protected]) <[email protected]>
wrote:
> On 3/29/2016 3:10 PM, Dave Fullerton 
> ([email protected]) wrote:
>> I figured out what was causing thunderbird's sync to fail. It appears 
>> this particular user was putting emoji (unicode) in some of his 
>> events. Thunderbird appears to download the calendar in blocks and 
>> whenever it would come across these emoji in a block the remaining (or 
>> even all, I didn't actually check) of the events in that block would 
>> be missing.
>>
>> The interesting bit was that some of these events that caused 
>> thunderbird to fail on the download also did not appear in SOGo's own 
>> web interface. I had to use a PHP caldav class to remove the offending 
>> entries via href.
>>
>> Here is what I had to do to find and correct the entries in case it is 
>> of any help to any one else:
>>
>> 1) In thunderbird's config editor, set the calendar.debug.log and 
>> calendar.debug.log.verbose to true.
>> 2) Open Thunderbird's error console (CTRL-SHIFT-J)
>> 3) Clear the error console but leave it open.
>> 4) Reset the calendar cache and force thunderbird to re-download the 
>> entire calendar.
>> 5) Check the error console for the "CalDAV: Fatal Error doing..." 
>> warning message.
>> 6) Look at the message just below it that contains the ical raw data. 
>> You will see BEGIN:VCALENDAR, BEGIN:VEVENT, etc data. Scroll so you 
>> can see the bottom of this message (it could take several screens 
>> worth to get to the bottom) and look at the last line. In my case the 
>> last line was a SUMMARY: line. This is the event that Thunderbird 
>> choked on. Using the SUMMARY, DTSTART or any other information you can 
>> find use it to locate that event in the web interface, edit it and 
>> remove anything that is not a regular printed character. In some cases 
>> I had to query the sogo database for more information, like an href so 
>> I could delete it with a php caldav class.
>> 7) Go to step 3 and repeat until there are no more warning messages in 
>> step 5.
>> 8) Send an email to the user and tell them to stop using emoji in 
>> their calendar events.

> Good work!
> Inverse should fix this bug in the CalDAV calendar sync so that it is 
> able to encounter unicode/emoji without crashing the sync.

So... is this a Thunderbird bug or SOGo bug?

Was a bug report created in the offending software's bug tracker?
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