Hi Jay, after adding these 2 properties, my program is reading from /etc/krb5.conf but it is creating a ticket for 24 hour instead of 30 sec. Following is the debug message: Found ticket for hbase/ip@domain to go to krbtgt/domain@REALM expiring on Fri Dec 23 12:00:07 IST 2016 Entered Krb5Context.initSecContext with state=STATE_NEW Found ticket for hbase/ip@REALM to go to krbtgt/domain@REALM expiring on Fri Dec 23 12:00:07 IST 2016 Service ticket not found in the subject >>> Credentials acquireServiceCreds: same realm Using builtin default etypes for default_tgs_enctypes default etypes for default_tgs_enctypes: 18 17 16 23 1 3. >>> CksumType: sun.security.krb5.internal.crypto.RsaMd5CksumType >>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType >>> KrbKdcReq send: kdc=kdc.domain UDP:88, timeout=30000, number of retries =3, #bytes=714 >>> KDCCommunication: kdc=kdc.domain UDP:88, timeout=30000,Attempt =1, #bytes=714 >>> KrbKdcReq send: #bytes read=725 >>> KdcAccessibility: remove kdc.domain >>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType >>> KrbApReq: APOptions are 00100000 00000000 00000000 00000000 >>> EType: sun.security.krb5.internal.crypto.Aes256CtsHmacSha1EType. Please let me know from where it is reading to create a ticket for 24 hour ... View more

yes it is same as u mentioned. I switched user to hdfs using su hdfs then gave jps, surprisingly DFSZKFailoverController was running, so killed the process using kill -9 <pid>, then tried starting it again from ambari, but its again stopping and no logs again getting logged. ... View more

Thanks Jay: Following command helped me curl -u admin:admin -H "X-Requested-By: ambari" -i -X POST http://erie1.example.com:8080/api/v1/clusters/ErieCluster/hosts/erie2.example.com/host_components/ZKFC But after installing it, its stopping and i am not able to see logs also under /var/log/hadoop/hdfs. Could u plz guide what could be the possible reason. While on the other nameNode, ZKFailOverController is working fine. ... View more