Hbase - Important thing

# When you execute a client App on Tomcat,  If you faced the following the error,
→Will not attempt to authenticate using SASL (unknown error)
# You add host's name in the hosts file. this is sample.
17x.2x.xxx.xx1   master01
17x.2x.xxx.xx2   slave02
17x.2x.xxx.xx3   slave03
17x.2x.xxx.xx4   slave04
# A client App(Hbase) on Tomcat is related with all of hbase server host name.