I have round robin load balanced connections working on one cluster, but on
another, this type of connection seems to be stuck.

What would be the best way to debug this problem?  The connection is from
one processor group to another, so it's from an Output Port to an Input
Port.

My configuration is as follows:
nifi.cluster.load.balance.host=
nifi.cluster.load.balance.port=6342
nifi.cluster.load.balance.connections.per.node=4
nifi.cluster.load.balance.max.thread.count=8
nifi.cluster.load.balance.comms.timeout=30 sec

And I ensured port 6342 is open from one node to another using the cluster
node addresses.

Is there some error that should appear in the logs if flow files get stuck
here?

I suspect they are actually stuck, not just missing, because the remainder
of the flow is back-pressured up until this point in the flow.

Thanks!
Joe

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