Unable to read from Kerberised HBase

[Lalit Jadhav]

While connecting to remote HBase cluster, I can create Table and get Table
Listing.  But unable to scan Table using Java API. Below is code

    configuration.set("hbase.zookeeper.quorum", "QUARAM");
    configuration.set("hbase.master", "MASTER");
    configuration.set("hbase.zookeeper.property.clientPort", "2181");
    configuration.set("hadoop.security.authentication", "kerberos");
    configuration.set("hbase.security.authentication", "kerberos");
    configuration.set("zookeeper.znode.parent", "/hbase-secure");
    configuration.set("hbase.cluster.distributed", "true");
    configuration.set("hbase.rpc.protection", "authentication");
    configuration.set("hbase.regionserver.kerberos.principal",
"hbase/Principal@realm");
    configuration.set("hbase.regionserver.keytab.file",
"/home/developers/Desktop/hbase.service.keytab3");
    configuration.set("hbase.master.kerberos.principal",
"hbase/HbasePrincipal@realm");
    configuration.set("hbase.master.keytab.file",
"/etc/security/keytabs/hbase.service.keytab");

    System.setProperty("java.security.krb5.conf","/etc/krb5.conf");

    String principal = System.getProperty("kerberosPrincipal",
"hbase/HbasePrincipal@realm");
    String keytabLocation = System.getProperty("kerberosKeytab",
"/etc/security/keytabs/hbase.service.keytab");
    UserGroupInformation.set    configuration(    configuration);
    UserGroupInformation.loginUserFromKeytab(principal, keytabLocation);
    UserGroupInformation userGroupInformation =
UserGroupInformation.loginUserFromKeytabAndReturnUGI("hbase/HbasePrincipal@realm",
"/etc/security/keytabs/hbase.service.keytab");
    UserGroupInformation.setLoginUser(userGroupInformation);

I am getting bellow errors,

    org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after
attempts=36, exceptions: Mon Jul 09 18:45:57 IST 2018, null,
java.net.SocketTimeoutException: callTimeout=60000, callDuration=64965: row
'' on table 'DEMO_TABLE' at
region=DEMO_TABLE,,1529819280641.40f0e7dc4159937619da237915be8b11.,
hostname=dn1-devup.mstorm.com,60020,1531051433899, seqNum=526190

    Exception : java.io.IOException: Failed to get result within timeout,
timeout=60000ms


-- 
Regards,
Lalit Jadhav
Network Component Private Limited.