Just to inform new devs , that we should start reconfiguring our travis in travis.yml file to use openJdk rather than oracleJDK. like here
from
language: java
jdk:
- oraclejdk8
to
language: java
jdk:
- openjdk8
Otherwise Travis installation of oracleJDK will fail and the build will stop.
see more at https://travis-ci.community/t/install-of-oracle-jdk-8-failing/3038