Hi All,   I am also facing the same issue.    after enabling the kerberos, impala services are not started. Tried to start manually, but failed. in UI, i am able to see all the 3 instances in started state, but when i am running impala-shell command i am getting the error. the java processes for impala are also not present.   Please help me in troubleshooting the issue.   my hostname is also in small letters....     Thanks in advance... ... View more