Github user toddbaert commented on the issue:
https://github.com/apache/activemq-artemis/pull/1701
@clebertsuconic @michaelandrepearce
The problem seems to me to be pretty simple:
in ClusterConnectionBridge.beforeForward(Message message, SimpleString
forwardingAddress), we call super.beforeForward(message, **null**). The is why
we lose the address. This code path is executed when broker1 forwards an AMQP
message to broker2. This is why we will only see this in a cluster, when a
producer sends a message to broker1 and a consumer is listening on broker2.
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