Does your hbase client run on multiple machines? R.C
________________________________________ From: Lalit Jadhav <lalit.jad...@nciportal.com> Sent: 11 July 2018 14:31:40 To: user@hbase.apache.org Subject: Re: Unable to read from Kerberised HBase Tried with given snippet, It works when a table placed on single RegionServer. But when Table is distributed across the cluster, I am not able to scan table, Let me know if I am going wrong somewhere. On Tue, Jul 10, 2018 at 2:13 PM, Reid Chan <reidddc...@outlook.com> wrote: > Try this way: > > > Connection connection = ugi.doAs(new PrivilegedAction<Connection>() { > > @Override > public Connection run() { > return ConnectionFactory.createConnection(configuration); > } > }); > > > > R.C > > > > ________________________________ > From: Lalit Jadhav <lalit.jad...@nciportal.com> > Sent: 10 July 2018 16:35:15 > To: user@hbase.apache.org > Subject: Re: Unable to read from Kerberised HBase > > Code Snipper: > > Configuration configuration = HBaseConfiguration.create(); > 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); > > Connection connection = > ConnectionFactory.createConnection(configuration); > > > Any more logs about login failure or success or related? - No, I only got > above logs. > > > On Tue, Jul 10, 2018 at 1:58 PM, Reid Chan <reidddc...@outlook.com> wrote: > > > Any more logs about login failure or success or related? > > > > And can you show the code snippet of connection creation? > > ________________________________ > > From: Lalit Jadhav <lalit.jad...@nciportal.com> > > Sent: 10 July 2018 16:06:32 > > To: user@hbase.apache.org > > Subject: Re: Unable to read from Kerberised HBase > > > > Table only contains 100 rows. Still not able to scan. > > > > On Tue, Jul 10, 2018, 12:21 PM anil gupta <anilgupt...@gmail.com> wrote: > > > > > As per error message, your scan ran for more than 1 minute but the > > timeout > > > is set for 1 minute. Hence the error. Try doing smaller scans or > > increasing > > > timeout.(PS: HBase is mostly good for short scan not for full table > > scans.) > > > > > > On Mon, Jul 9, 2018 at 8:37 PM, Lalit Jadhav < > lalit.jad...@nciportal.com > > > > > > wrote: > > > > > > > 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.loginUserFromKeytabAndReturnUG > > > > I("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. > > > > > > > > > > > > > > > > -- > > > Thanks & Regards, > > > Anil Gupta > > > > > > > > > -- > Regards, > Lalit Jadhav > Network Component Private Limited. > -- Regards, Lalit Jadhav Network Component Private Limited.