There were a number of reports about Openfire not logging anything since 4.3.0 upgrade from 4.2.3 (using deb package). So far no reports from CentOS users. Seems to work fine on Windows.
Ubuntu, Debian, Mint
This is a guess but in a number of places we specify "-Dlog4j.configurationFile=<some path>" - my suspicion is that this was missed from whatever file is used to startup Openfire on a Debian based system - possibly build/debian/openfire.init.d