Replication : IMAP_PROTOCOL_ERROR Protocol error

[Jean Charles Delépine]

Jean Charles Delépine <delepine at u-picardie.fr> écrivait (wrote) :

> Jean Charles Delépine <delepine at u-picardie.fr> écrivait (wrote) :
> 
> > Hello,
> > 
> > I'm on the way to migrate one quite big murder config with Cyrus IMAP
> > 3.0.8-Debian-3.0.8-6+deb10u4
> > to Cyrus IMAP 3.2.3-Debian-3.2.3-1~bpo10+1.
> > 
> > My plan is to replicate 3.0.8's backends on 3.2.3 ones. This plan has work
> > before for 2.5
> > to 3.0. migration.
> > 
> > Il can replicate empty mailboxes. So the conf (attached) seems ok.
> > But if the mailbox isn't empty here's the result (completes traces attached) :
> 
> The conf might not be _that_ ok.
> 
> If the option conversation is set to 1 and I create new mailboxes, ond
> send mails to this mailboxes, no sync of these mailboxes is possible.
> 
> If I remove the option 'conversation: 1', any new populated mailboxes can 
> be sync.
> 
> So, the problem seems to be in this option.
> 
> But even after removing "conversation: 1" and zeroed conversation indexes
> (ctl_conversationsdb -z), the old "bad" mailboxes can't be synced. Even
> removing their .conversations and .counters files doesn't help.
> 
> Can I, and how can I,  get rid of those conversation indexes in order to have
> my mailboxes being "as if there never been conversation" ?

After removing "conversations: 1" option AND restarted the serveur,
ctl_conversationsdb -z did correctly remove conversations indexes and
the replication finally works fine.

I did have to revert xapian usage (which needs conversations) and switch
back to squat indexes.

            Jean Charles Delépine