Github user dudaerich commented on the issue: https://github.com/apache/activemq-artemis/pull/1144 +1 for this improvement. I've reported issue with ThreadPoolExecutor in [ARTEMIS-968](https://issues.apache.org/jira/browse/ARTEMIS-968). Part of the JIRA is [test](https://github.com/dudaerich/activemq-artemis/blob/ActiveMQThreadPoolExecutorTest/tests/unit-tests/src/test/java/org/apache/activemq/artemis/tests/unit/util/ActiveMQThreadPoolExecutorTest.java) which reproduces the issue in old implementation. Could you add the test to this PR? I tried to execute it and it passed. Thanks
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