Motivation: A new EA release was done, we should always run against the latest. Modifications: Update to EA 16. Result: CI runs with latest EA release for JDK12.
Using the docker images
cd /path/to/netty/
centos 6 with java 8
docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-6.18.yaml run test
centos 7 with java 9
docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.centos-7.19.yaml run test
etc, etc