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From horaamit <hora.a...@gmail.com>
Subject Unable to connect to Hbase when Kerberos Enabled
Date Tue, 10 May 2016 04:49:05 GMT
I enabled Kerberos to secure hadoop and generated key tab for principal
test@EXAMPLE.COM and provided test user RX (read execute) permission using
hbase shell -grant command when i do kinit -k -t test.keytab
test@EXAMPLE.COM

everything works fine .I am trying to do the same thing like reading table
via Java code/Java Client using below code

     System.setProperty("java.security.krb5.realm", "EXAMPLE.COM");
        System.setProperty("java.security.krb5.kdc", "D-9539.kpit.com");
        //System.setProperty("sun.security.krb5.debug", "true");

    Configuration config = HBaseConfiguration.create();
    config.set("hadoop.security.authentication", "Kerberos");
    config.set("hbase.security.authentication", "kerberos");
    UserGroupInformation.setConfiguration(config);
    config.set("hbase.zookeeper.quorum", "D-9539.kpit.com");
    config.setInt("zookeeper.recovery.retry",1);
    config.set("zookeeper.znode.parent","/hbase-secure");
    config.set("hbase.client.retries.number", Integer.toString(2));
    config.set("zookeeper.session.timeout", Integer.toString(60000));
      UserGroupInformation userGroupInformation =
UserGroupInformation.loginUserFromKeytabAndReturnUGI("mohanv@EXAMPLE.COM",
"D:\\mohanv.keytab" );
      //UserGroupInformation userGroupInformation =
UserGroupInformation.loginUserFromKeytabAndReturnUGI("hbase-D9539@EXAMPLE.COM",
"/Users/guest/Work/workspace/hbase.headless.keytab" );
    UserGroupInformation.setLoginUser(userGroupInformation);
    Connection conn = ConnectionFactory.createConnection(config);
    TableName tablename=TableName.valueOf("tweetTest2");
    Table table = conn.getTable(tablename);
    Get get=new Get(Bytes.toBytes("row1")) ;
    get.addFamily(Bytes.toBytes("twt"));

    System.out.println(Bytes.toString(table.get(get).getRow()));
But getting

*org.apache.hadoop.hbase.client.RetriesExhaustedException:*
and then

*clientClosingConnectionException*



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