"invalid mailbox format" with upgrade to 2.3.3

Andreas Hasenack ahasenack at terra.com.br
Thu Mar 2 09:39:43 EST 2006

On Thu, Mar 02, 2006 at 09:16:48AM +0100, Nicolas KOWALSKI wrote:
> > I remember seeing a similar problem someone had with an upgrade to
> > 2.3.x in this list but I can't find it in the archives (or I'm
> > mistaken).
> I had this problem. 
> I also had to reconstruct to make 2.3.x happy. It was probably because
> some mailboxes had some garbage in them; for example, the cyrus.index
> size of a mailbox triggering this error changed (shrank) after the
> reconstruct.

I don't know if I had garbage in those files. But if I had, it was in
all mailboxes, not just a few.

I once upgraded such a system from 2.2.12 to 2.3.1 and I didn't
have this problem then. Actually, the whole story is a bit more bizarre.
This system had the following upgrade path:

2.2.12 -> 2.3.1 -> 2.2.12 (yes, back to 2.2.12) -> 2.3.3

I only had this problem in the last step (2.2.12 -> 2.3.3).

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