Github user michaelandrepearce commented on the issue:
https://github.com/apache/activemq-artemis/pull/2418
So i looked at this some more to see what i can do, i simply can't work
around the fact the OpenWireMessage will always return an int, as such it will
always set sequence, so where the producer is OpenWire then when we transform
to any other protocol then it will exist.
"
coreMessage.putIntProperty(AMQ_MSG_GROUP_SEQUENCE,
messageSend.getGroupSequence());
"
So we will need to simply handle mapping this better during converters.
I can though remove the setters i had added into AMQPMessage, i think this
is the most controversial part. Ill update with those bits removed.
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