[sync] Full sync after update to Horde_ActiveSync 2.9.0

[Michael J Rubinsky]

Quoting lst_hoe02 at kwsoft.de:

> Zitat von Michael J Rubinsky <mrubinsk at horde.org>:
>
>> Zitat von lst_hoe02 at kwsoft.de:
>>>
>>> on the testserver we have done the update to ActiveSync 2.9.0 with  
>>> stopping Apache do the pear upgrade, do horde-clear-cache and  
>>> horde-db-migrate. After this the iPhone 4S connected with  
>>> ActiveSync does a full resync for the mailbox. Is this expected  
>>> behaviour or can this be prevented somehow?
>>
>> This is due to a change in the format of some of the cached data  
>> that is saved for each collection. I've added code to attempt to  
>> load the previous format before throwing the error to save the  
>> repairing. This *should* prevent the resync.
>
> At least for the iPhone it looks like it does not work reliable, so  
> one have to be aware that the devices will re-download the whole  
> mailbox after update...

So, you tested it with the fix I just added already? The code to try  
the older format was just committed:
https://github.com/horde/horde/commit/d9ef7956f009fe0558f9bff8d3bdb36c522420a9


>>> Another oddity is the following in the sync log
>>>
>>> "ERR: Cache version change"
>>>
>>> Not sure what is...
>>
>> This is an expected message when the cached data format changes.
>
> Ok, so why the data *format* of the cache changes? This is not about  
> *content* of the cache, no? It scares me because it is listed as  
> "ERR" (error).

Yes, it really shouldn't be an ERR I'll change it to NOTICE.


-- 
mike

The Horde Project (www.horde.org)
mrubinsk at horde.org
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