Dear community, I created this pull [1] to move the CI to JDK11. BookKeeper has been running with JDK11 for a long time. The official docker image is using JDK11 so it's much better to verify the codebase using the same jdk version used in production by most of the users.
[1] https://github.com/apache/bookkeeper/pull/3027 BR, Nicolò Boschi
