OpenEMM Support

No, after auto-update was done, i checked files against tarball from your page.
from agn.py:
changelog = [
[snip]
<------>('2.2.0', '2009-05-06', 'Moved configuration to emm.properties', 'ud@agnitas.de'),
<------>('2.2.1', '2009-05-18', 'Added @deprecated decorator', 'ud@agnitas.de'),
<------>('2.2 ...

Yes, you are right.
I made workaround for a bug. Problem is in agn.py , lines 247-248. agn.py doesn't read config files, after change defaults in those line to needed to connect to database (host: server-mysql, etc) problem disappear.

It looks like this:
jdbc.url=jdbc:mysql://server-mysql/openemm?useUnicode=yes&characterEncoding=UTF-8&useOldAliasMetadataBehavior=true
jdbc.dialect=org.hibernate.dialect.MySQLDialect
jdbc.username=openemmuser
jdbc.password=xxxxxxxxxxx

Connection to database probably is correct, i can use panel, i ...

Thanks for response, i hope i didn't stole thread.
Settings from emm.properties:
mailgun.ini.db_login=::jdbc.username
mailgun.ini.db_password=::jdbc.password
mailgun.ini.sql_connect=::jdbc.url

This error happens while i'm trying to start openemm:

openemm@mailer ~/bin $ ./OpenEMM.sh start
Start ...

I've similar problem after autoupgrading from 5.5.1 .
./smenable displays message:
"Failed to setup database interface"
In files cms/properties and emm.properties connection to DB are set.
I have no idea how to debug the problem.