Hi All, I have been connecting to Hbase using Phoenix Thin Client without any issues until I moved to Kerberos. I am having lot of issues while trying to connect to HBase using thin client. I have been following couple of posts and tried the solutions but it didn't work for me maybe because I am missing something. Kindly advice. jdbc:phoenix:thin:url=http://hostname:8765;serialization=PROTOBUF;authentication=SPNEGO; AvaticaClientRuntimeException: Remote driver error: RuntimeException: java.sql.SQLException: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions: Sun Jul 08 17:54:06 UTC 2018, null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=68145: row 'SYSTEM:CATALOG,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=, seqNum=0 -> SQLException: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=36, exceptions: Sun Jul 08 17:54:06 UTC 2018, null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=68145: row 'SYSTEM:CATALOG,,' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=,16020,1529152707934, seqNum=0 -> RetriesExhaustedException: Failed after attempts=36, exceptions: at org.apache.calcite.avatica.jdbc.JdbcMeta.openConnection(JdbcMeta.java:619) at org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:299) at org.apache.calcite.avatica.remote.Service$OpenConnectionRequest.accept(Service.java:1748) at org.apache.calcite.avatica.remote.Service$OpenConnectionRequest.accept(Service.java:1728) @Josh Elser Sir, kindly advice. Stuck with this for a long time. Thanks a lot, Mouli ... View more