BUG: Mailbox renaming algorithm got into a potentially infinite loop, aborting

[Aki Tuomi]

You could try fix this by manually renaming the problematic folder. This
is a bug though.

Aki

On 15.10.2019 17.29, Alex Ha via dovecot wrote:
> Hi all!
> I'm using Dovecot 2.2.36.4.
> Maybe someone can help, this bug makes the replication unusable for me.
>
> Thanks,
> Alex
>
>
> On Wed, Sep 25, 2019 at 5:03 PM Alex Ha <alex.handle at gmail.com
> <mailto:alex.handle at gmail.com>> wrote:
>
>     Hi all!
>
>     I have two dovecot servers with dsync replication over tcp.
>     Replication works fine except for one user.
>
>     # doveadm replicator status
>     username                                                                                                
>     priority fast sync full sync success sync failed
>     customer at example.com
>     <mailto:customer at example.com>                                                                           
>     none     00:00:33  07:03:23  03:22:31     y
>
>     If i run dsync manually, i get the following error message:
>
>     dsync-local(customer at example.com <mailto:customer at example.com>):
>     Debug: brain M: -- Mailbox renamed, restart sync --
>     dsync-local(customer at example.com <mailto:customer at example.com>):
>     Error: BUG: Mailbox renaming algorithm got into a potentially
>     infinite loop, aborting
>     dsync-local(customer at example.com <mailto:customer at example.com>):
>     Error: Mailbox INBOX.Foldername sync: mailbox_rename failed:
>     Invalid mailbox name 'Foldername-temp-1': Missing namespace prefix
>     'INBOX.'
>
>     For more info see the attached sync_loop.log
>
>     Thanks for your help,
>
>     Alex
>
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