Github user jdanekrh commented on the issue:
https://github.com/apache/activemq-artemis/pull/1697
> Likewise i don't understand why OpenWire is skipped
Skipping OpenWire is appropriate here, as
[`Message#getBody`](https://docs.oracle.com/javaee/7/api/javax/jms/Message.html#getBody-java.lang.Class-)
was added in JMS 2.0, and activemq-client implements only the 1.1 version of
the JMS spec.---
