[horde] ActiveSync SQL errors

[Nels Lindquist]

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On 2018/02/21 11:16 AM, Michael J Rubinsky wrote:
> 
> Quoting Nels Lindquist <nlindq at maei.ca>:
> 
> <Snip log>
> 
> There are a few things going on. First, your IMAP server is
> reporting some errors:
> 
> [8680][2018-02-12T09:23:45-07:00] INFO: COLLECTIONS: Initializing
> state for collection: INBOX.archive, synckey: 
> {5a7b2e86-1304-4be6-b9e0-3d4a423361e1}777 
> [8680][2018-02-12T09:23:46-07:00] ERR: IMAP error reported by
> server.
> 
> You can enable/check a debug imap log to track these down. See 
> imp/config/backends[.local].php for info.

Okay, I've enabled an IMAP debug log and verified it's accumulating
(lots) of information.  I will note that the last IMAP error in the
ActiveSync log was from February 14th, with no new IMAP errors since
the ActiveSync device reset I performed yesterday.  I did check the
syslog generated by Cyrus IMAPD from that timeframe, and the only
error I could see related to this user is that no SQUAT (indexed
search) files have been generated for this user, but I wouldn't expect
that to cause errors at the IMAP protocol level, as Cyrus will fall
back to a non-indexed SEARCH if no SQUAT index is present.

> The synckey issue looks like it happens after some messages are
> moved from one folder to another, though it's hard to say why since
> I can't reproduce this. Is this an Outlook client, by any chance? I
> know they are buggy with message moves and we already have put some
> workarounds in place to "fix" this on our side...

This is indeed an Outlook client, specifically Outlook 2013.

- ----
Nels Lindquist <nlindq at maei.ca>
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