Verify if your local krb5.conf file have the right configuration to solve the realm.   ex.: [libdefaults]   default_realm = MYREALM.LOCAL It is important if you have different domains/realms in your environment. ... View more

@Dinesh Jadhav The error Server not found in Kerberos database usually occurs when KDC is unable to identify the entry for service principal requested when connecting to the service. (Mechanism level: Server not found in Kerberos database (7) - LOOKING_UP_SERVER) Can you share your the below-modified files; - krb5.conf - kdc.conf - kadm5.acl Wat values do you have for these params: oozie.service.HadoopAccessorService.kerberos.enabled local.realm oozie.service.HadoopAccessorService.keytab.file oozie.service.HadoopAccessorService.kerberos.principal oozie.authentication.type oozie.authentication.kerberos.principal oozie.authentication.kerberos.name.rules oozie uses jaas configuration for kerberos login can you share it ... View more