Thanks again for your help. I restarted the 3-node zookeeper cluster and I no longer see the exceptions in the zookeeper logs. Only warnings.
zookeeper.log Restarting HBase results in the following. --1 RegionServer sharing HMaster and Zookeeper node is up and running with no exceptions. --1 RegionServer sharing Zookeeper node throws exception reportForDuty regionserver.log --2 RegionServers (not sharing node with zookeeper or master) throwing ConnectionLoss exception regionserver.log -- View this message in context: http://apache-hbase.679495.n3.nabble.com/ConnectionLossException-KeeperErrorCode-ConnectionLoss-for-hbase-master-tp4066034p4066076.html Sent from the HBase User mailing list archive at Nabble.com.
