Empty Queue - but UI shows messages

[Joe Obernberger]

Hi - I'm using NiFi 1.18.0 in a three node cluster using internal 
zookeeper.  Occasionally, I will see a queue showing queued messages, 
but when I list the queue, the UI says that there are no flow files.  
Also the consumer of this queue seems to be idle.  I can then empty the 
queue and it reports that n messages were deleted.

Any idea what is happening here?

-Joe



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