Re: cyrus sync errors from 3.0.18 -> 3.4.8-patched

[Michael Menge <michael.menge@xxxxxxxxxxxxxxxxxxxx>]

Hi Ellie

i found a report on the mailing liste about replicating from 3.0 to  
3.2 beeing broken
https://lists.andrew.cmu.edu/pipermail/info-cyrus/2020-September/041396.html
I think this mail confirms my suspicion that it was already broken in 3.2

AFAIK we do not use many annotations. The Mails do all have  
/vendor/cmu/cyrus-imapd/thrid
but I could not find any information regarding this annotation


Kind Regards

   Michael Menge



Quoting ellie timoney <ellie@xxxxxxxxxxxx>:

> Hi Michael,
>
> That's interesting.  Does that mean that the mailboxes it was  
> breaking on were just any mailboxes with annotations, and those  
> mailboxes being DELETED.* was a coincidence?
>
> I wonder if syncing from 3.0 -> 3.2 -> 3.4 would work.  Probably  
> not, I assume 3.2 is also unable to accept annotations without  
> modseq.  Unless it did for a while, and then that got broken.
>
> Cheers,
>
> ellie
>
> On Tue, 9 Jul 2024, at 10:22 PM, Michael Menge wrote:
> > Hi Ellie
> >
> > i think I found the problem:
> >
> > In in cyrus-imapd-3.4.8/imap/sync_support.c:1485 decode_annotations
> > the sync server is expecting a MODSEQ for Annotations, but the older
> > version of
> > cyrus did not send the MODSEQ
> >
> >
> > It seems this feature was introduced between 3.0 and 3.2
> >
> > I have created a new Issue to track this
> > https://github.com/cyrusimap/cyrus-imapd/issues/4967
> >
> > Kind Regards
> >
> >     Michael Menge
>
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