CI against JRuby 9.2.8.0
CI against JRuby 9.2.8.0

https://www.jruby.org/2019/08/12/jruby-9-2-8-0.html

rsim/oracle-enhanced,yahonda/oracle-enhanced,rsim/oracle-enhanced,rshell/oracle-enhanced,yahonda/oracle-enhanced,rshell/oracle-enhanced