Changed java version back to 8 I have reverted the java version back to 8 since there was a problem with jdk9 (missing dependencies). Also I have fixed syntax errors in the same file.
Changed java version back to 8
I have reverted the java version back to 8 since there was a problem with jdk9 (missing dependencies).
Also I have fixed syntax errors in the same file.

Signed-off-by: Leonardo Gaube <37812148043b51ab7a1b98d459b5a5c1fc924eff@comtrade.com>

stzilli/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,stzilli/kapua,stzilli/kapua,stzilli/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua