[Dovecot] Expire failing with error Remote Disconnected

[e-frog]

> 
> I'm trying to follow the instructions from:
> http://wiki.dovecot.org/Plugins/Expire
> for the BDB backend.
> 
> Everything is set up as indicated, but when I run:
> 
> dovecot --exec-mail ext /usr/libexec/dovecot/expire-tool
> 
> I get back:
> Error: read(/var/run/dovecot/dict-server) failed: Remote disconnected
> 

Did you enable BDB during compile?

    ./configure --with-db