I have enabled kerberos authentication on my cluster. After that when namenode is not starting due Checksum error. I am using cloudera 6.0.1 on Suse 12 OS hosted on GCP Failed to start namenode. org.apache.hadoop.security.KerberosAuthException: failure to login: for principal: hdfs/nn.asia-south1-c.c.cdh-cluster2.internal@ASIA-SOUTH1-C.C.CDH-CLUSTER2.INTERNAL from keytab hdfs.keytab javax.security.auth.login.LoginException: Checksum failed at org.apache.hadoop.security.UserGroupInformation.doSubjectLogin(UserGroupInformation.java:1843) at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytabAndReturnUGI(UserGroupInformation.java:1211) at org.apache.hadoop.security.UserGroupInformation.loginUserFromKeytab(UserGroupInformation.java:1007) at org.apache.hadoop.security.SecurityUtil.login(SecurityUtil.java:313) at org.apache.hadoop.hdfs.server.namenode.NameNode.loginAsNameNodeUser(NameNode.java:694) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:713) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:950) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:929) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1653) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1720) Caused by: javax.security.auth.login.LoginException: Checksum failed at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:804) at com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:617) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at javax.security.auth.login.LoginContext.invoke(LoginContext.java:755) at javax.security.auth.login.LoginContext.access$000(LoginContext.java:195) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:682) at javax.security.auth.login.LoginContext$4.run(LoginContext.java:680) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:680) at javax.security.auth.login.LoginContext.login(LoginContext.java:587) at org.apache.hadoop.security.UserGroupInformation$HadoopLoginContext.login(UserGroupInformation.java:1921) at org.apache.hadoop.security.UserGroupInformation.doSubjectLogin(UserGroupInformation.java:1833) ... 9 more Caused by: KrbException: Checksum failed at sun.security.krb5.internal.crypto.ArcFourHmacEType.decrypt(ArcFourHmacEType.java:102) at sun.security.krb5.internal.crypto.ArcFourHmacEType.decrypt(ArcFourHmacEType.java:94) at sun.security.krb5.EncryptedData.decrypt(EncryptedData.java:175) at sun.security.krb5.KrbAsRep.decrypt(KrbAsRep.java:149) at sun.security.krb5.KrbAsRep.decryptUsingKeyTab(KrbAsRep.java:121) at sun.security.krb5.KrbAsReqBuilder.resolve(KrbAsReqBuilder.java:285) at sun.security.krb5.KrbAsReqBuilder.action(KrbAsReqBuilder.java:361) at com.sun.security.auth.module.Krb5LoginModule.attemptAuthentication(Krb5LoginModule.java:776) ... 23 more Caused by: java.security.GeneralSecurityException: Checksum failed at sun.security.krb5.internal.crypto.dk.ArcFourCrypto.decrypt(ArcFourCrypto.java:408) at sun.security.krb5.internal.crypto.ArcFourHmac.decrypt(ArcFourHmac.java:91) at sun.security.krb5.internal.crypto.ArcFourHmacEType.decrypt(ArcFourHmacEType.java:100) ... 30 more ... View more