Github user trkurc commented on the issue:
https://github.com/apache/nifi/pull/1723
Applied cleanly, built cleanly with -Pcontrib-check. Had a flow, pre-patch
that published to a RabbitMQ queue. Patched the nifi, flow still worked fine.
Created another flow that used an attribute for both the queue name and the
exchange and it worked without issue. +1.
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