Issue:
If you master machine's region server is running and slave's regionserver is not running and if you start the slave's regionserver by bin/hbase regionserver start and if you get exception like “ hadoop.hbase.ClockOutOfSyncException: Server localhost,60020,1337339438788 has been rejected; Reported time is too far out of sync with master. Time difference of 34404ms > max allowed of 30000ms ” means .
Fix:
check the master machine time(command”date”) and compare it slave machine time(date). If the difference is more than 30 sec- update the slave machine time to master machine's time. command-
“sudo date nnddhhmmyyyy.ss”
usage- “sudo date 051817202012.00”
