Sync fails: bad protocol?

[Simon Matter]

> On Wed, May 07, 2008 at 05:11:30PM +0300, Janne Peltonen wrote:
>> Hi!
>>
>> After running 2.3.11 for almost half a year, a problem like this
>> appeared today:
>>
>> May  7 17:03:47 pcn3 i07/sync_client[18029]: Processing sync log file
>> /var/lib/imap/i07/sync/log-21280 failed: Bad protocol
>> May  7 17:03:47 pcn3 i07/sync_client[20341]: Reprocessing sync log file
>> /var/lib/imap/i07/sync/log-21280
>>
>> and the sync_client child dies.
>>
>> The log file in question contains nothing but
>>
>> --clip--
>> MAILBOX user.<censored>
>> MAILBOX user.<censored>.Trash
>> SEEN <censored> user.<censored>.Trash
>> MAILBOX user.<censored>
>> --clip--
>>
>> Now I wonder. What might be wrong with this?
>
> ...looking at the sync server, there were things like
>
> May  7 17:03:47 scn3 i07/syncserver[29753]: IOERROR: opening
> /var/spool/imap/iaji/i/user/ireijone/3396.: No such file or directory
>
> in the log; when I did
>
> touch /var/spool/imap/iaji/i/user/<censored>/3396.
> chown cyrus:mail /var/spool/imap/iaji/i/user/<censored>/3396.
> chmod 600 /var/spool/imap/iaji/i/user/<censored>/3396.
>
> on then sync server, the problem disappeared and my user got synched OK.
>
> I've explicitely set expunge_mode: immediate on the sync server,
> because I think I read somewhere (on this list?) that setting it to
> delayed wouldn't work. Everything else uses the default values of
> Simon's RPM, that is, on sync_client both expunge_mode: delayed and
> delete_mode: delayed; on sync_server side just delete_mode: delayed.
> Cyrus version 2.3.11, rpm release 5. Perhaps I should let the
> expunge_mode: delayed be on the sync_server, too?

Maybe you should give the 2.3.12p2 rpm a try. I think there were some
issues fixed concerning sync_client and sync_server and maybe your problem
was also fixed.

Simon