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 >