Right, i guess java is important then
install process went better this time, although i had to change 'dpkg -i' to 'dpkg --force-overwrite -i' in util/utilfunc.sh because aspell package had some conflicts with apache package.
setup is now failing with tls error. if i start by hand with -d 1 , slapd says this:
TLS: could not load client CA list (file:`/opt/zimbra/conf/ca/ca.pem',dir:`').
TLS: error:0906D06C:PEM routines:PEM_read_bio:no start line pem_lib.c:644
main: TLS init def ctx failed: -1
logs attached