Created by: deivid-rodriguez
CI is running into an error reading
unsupported Java version: 11
Using a newer jruby seems to fix it.
EDIT: I'm reusing this PR with a different intention from the original one. Some commits present in the original version of this PR (which intended to add Java 11 support) were introduced directly to the master branch, and some of them broke Java 8 support. This PR now restores Java 8 support, and also brings the additional changes resulting from rebasing the original changes against the new master branch.