Github user franz1981 commented on the issue:
https://github.com/apache/activemq-artemis/pull/1638
@clebertsuconic Just a couple questions (so I can add some doc/tests):
1. it is allowed/legal to submit new tasks` from the event loop thread?
2. it is allowed call `flush` from the event loop thread? What is the
expected behaviour while doing it? ---
