Thank you for replying.  I have tried so many different ports and I am even trying external zookeeper.  None of my nifi's can connect to any port I provide them.  It's almost like something is wrong with the code.  I have installed ZK on one of my actual nifi servers and that starts up immediately on port 2181.  That's what is leading me to think it's something in the code.  The other odd thing I keep seeing is, apache.zookeeper.ClientCnxnSocketNetty future isn't success. ... View more