11-25/12:35:18  INFO [main] DefaultServerSetup - Init DB connection pools
 11-25/12:35:18  INFO [main] DefaultServerSetup - Init trash pools..
Update starting..
Update from ftp://ftp.bgbilling.ru/pub/bgbilling
Server version is 5.0
Set passive mode..
java.net.UnknownHostException: ftp.bgbilling.ru
        at java.net.PlainSocketImpl.connect(Unknown Source)
        at java.net.SocksSocketImpl.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.connect(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at java.net.Socket.<init>(Unknown Source)
        at bitel.net.ftp.Ftp.connect(Ftp.java:218)
        at bitel.billing.server.installer.Update.connect(Update.java:79)
        at bitel.billing.server.installer.Update.<init>(Update.java:37)
        at bitel.billing.server.installer.ModuleInstaller.main(ModuleInstaller.java:19)
ERROR: ftp.bgbilling.ru

nslookup ftp.bgbilling.ru
Server:         127.0.0.1
Address:        127.0.0.1#53

Non-authoritative answer:
ftp.bgbilling.ru        canonical name = bgbilling.ru.
Name:   bgbilling.ru
Address: 81.30.195.156