Are you able to connect to your ZK server shell and list the nodes? 2013/8/21 Pavan Sudheendra <[email protected]>
> Yes.. I can do everything.. But i do not want my Hadoop Namenode to report > logs like this.. Also, it says > > KeeperException, re-throwing exception > org.apache.zookeeper.KeeperException$ConnectionLossException: > KeeperErrorCode = ConnectionLoss for /hbase/ > > > > > > On Wed, Aug 21, 2013 at 6:14 PM, Jean-Marc Spaggiari < > [email protected]> wrote: > > > Sound correct. You are able to start the shell and scan the few first > line > > of the tables, right? > > > > 2013/8/21 Pavan Sudheendra <[email protected]> > > > > > This is my hbase-site.xml file if it helps: > > > > > > <?xml version="1.0" encoding="UTF-8"?> > > > > > > <!--Autogenerated by Cloudera CM on 2013-07-09T09:26:49.841Z--> > > > <configuration> > > > <property> > > > <name>hbase.rootdir</name> > > > > > > > > > > > > <value>hdfs://ip-10-34-187-170.eu-west-1.compute.internal:8020/hbase</value> > > > </property> > > > <property> > > > <name>hbase.client.write.buffer</name> > > > <value>2097152</value> > > > </property> > > > <property> > > > <name>hbase.client.pause</name> > > > <value>1000</value> > > > </property> > > > <property> > > > <name>hbase.client.retries.number</name> > > > <value>10</value> > > > </property> > > > <property> > > > <name>hbase.client.scanner.caching</name> > > > <value>1</value> > > > </property> > > > <property> > > > <name>hbase.client.keyvalue.maxsize</name> > > > <value>10485760</value> > > > </property> > > > <property> > > > <name>hbase.rpc.timeout</name> > > > <value>60000</value> > > > </property> > > > <property> > > > <name>hbase.security.authentication</name> > > > <value>simple</value> > > > </property> > > > <property> > > > <name>zookeeper.session.timeout</name> > > > <value>60000</value> > > > </property> > > > <property> > > > <name>zookeeper.znode.parent</name> > > > <value>/hbase</value> > > > </property> > > > <property> > > > <name>zookeeper.znode.rootserver</name> > > > <value>root-region-server</value> > > > </property> > > > <property> > > > <name>hbase.zookeeper.quorum</name> > > > <value>ip-10-34-187-170.eu-west-1.compute.internal</value> > > > </property> > > > <property> > > > <name>hbase.zookeeper.property.clientPort</name> > > > <value>2181</value> > > > </property> > > > </configuration> > > > > > > > > > > > > On Wed, Aug 21, 2013 at 6:09 PM, Jean-Marc Spaggiari < > > > [email protected]> wrote: > > > > > > > Hum. > > > > > > > > Things seems to be correct there. > > > > > > > > Can you try something simple like: > > > > > > > > Configuration config = HBaseConfiguration.create(); > > > > config.set("hbase.zookeeper.quorum", "ip-10-34-187-170"); > > > > HTable table = new HTable (config, > > > > Bytes.toBytes("TABLE_NAME")); > > > > > > > > And see if it works? > > > > > > > > JM > > > > > > > > 2013/8/21 Pavan Sudheendra <[email protected]> > > > > > > > > > Is this a zookeeper specific error or something? > > > > > > > > > > > > > > > On Wed, Aug 21, 2013 at 6:06 PM, Pavan Sudheendra < > > [email protected] > > > > > >wrote: > > > > > > > > > > > Hi Jean, > > > > > > > > > > > > ubuntu@ip-10-34-187-170:~$ cat /etc/hostname > > > > > > ip-10-34-187-170 > > > > > > ubuntu@ip-10-34-187-170:~$ hostname > > > > > > ip-10-34-187-170 > > > > > > > > > > > > > > > > > > > > > > > > On Wed, Aug 21, 2013 at 6:01 PM, Jean-Marc Spaggiari < > > > > > > [email protected]> wrote: > > > > > > > > > > > >> And what about: > > > > > >> # cat /etc/hostname > > > > > >> > > > > > >> and > > > > > >> # hostname > > > > > >> > > > > > >> ? > > > > > >> > > > > > >> 2013/8/21 Pavan Sudheendra <[email protected]> > > > > > >> > > > > > >> > Sure.. > > > > > >> > /etc/hosts file: > > > > > >> > > > > > > >> > 127.0.0.1 localhost > > > > > >> > 10.34.187.170 ip-10-34-187-170 > > > > > >> > # The following lines are desirable for IPv6 capable hosts > > > > > >> > ::1 ip6-localhost ip6-loopback > > > > > >> > fe00::0 ip6-localnet > > > > > >> > ff00::0 ip6-mcastprefix > > > > > >> > ff02::1 ip6-allnodes > > > > > >> > ff02::2 ip6-allrouters > > > > > >> > ff02::3 ip6-allhosts > > > > > >> > > > > > > >> > Configuration conf = HBaseConfiguration.create(); > > > > > >> > conf.set("hbase.zookeeper.quorum", "10.34.187.170"); > > > > > >> > conf.set("hbase.zookeeper.property.clientPort","2181"); > > > > > >> > conf.set("hbase.master","10.34.187.170"); > > > > > >> > Job job = new Job(conf, ViewersTable); > > > > > >> > > > > > > >> > I'm trying to process table data which has 19 million rows..It > > > runs > > > > > fine > > > > > >> > for a while although i don't see the map percent completion > > change > > > > > from > > > > > >> 0% > > > > > >> > .. After a while it says > > > > > >> > > > > > > >> > Task attempt_201304161625_0028_m_000000_0 failed to report > > status > > > > for > > > > > >> > 600 seconds. Killing! > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > On Wed, Aug 21, 2013 at 5:52 PM, Jean-Marc Spaggiari < > > > > > >> > [email protected]> wrote: > > > > > >> > > > > > > >> > > Can you past you host file here again with the modification > > you > > > > have > > > > > >> > done? > > > > > >> > > > > > > > >> > > Also, can you share a big more of you code? What are you > doing > > > > with > > > > > >> the > > > > > >> > > config object after, how do you create your table object, > > etc.? > > > > > >> > > > > > > > >> > > Thanks, > > > > > >> > > > > > > > >> > > JM > > > > > >> > > > > > > > >> > > 2013/8/21 Pavan Sudheendra <[email protected]> > > > > > >> > > > > > > > >> > > > @Jean tried your method didn't work.. > > > > > >> > > > > > > > > >> > > > 2013-08-21 12:17:10,908 INFO > > org.apache.zookeeper.ClientCnxn: > > > > > >> Opening > > > > > >> > > > socket connection to server localhost/127.0.0.1:2181. > Will > > > not > > > > > >> attempt > > > > > >> > > to > > > > > >> > > > authenticate using SASL (Unable to locate a login > > > configuration) > > > > > >> > > > 2013-08-21 12:17:10,908 WARN > > org.apache.zookeeper.ClientCnxn: > > > > > >> Session > > > > > >> > 0x0 > > > > > >> > > > for server null, unexpected error, closing socket > connection > > > and > > > > > >> > > attempting > > > > > >> > > > reconnect > > > > > >> > > > java.net.ConnectException: Connection refused > > > > > >> > > > at sun.nio.ch.SocketChannelImpl.checkConnect(Native > > > Method) > > > > > >> > > > at > > > > > >> > > > > > > > > >> > > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) > > > > > >> > > > at > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > > > > > > > > > > > org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) > > > > > >> > > > at > > > > > >> > > > > > > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) > > > > > >> > > > 2013-08-21 12:17:11,009 WARN > > > > > >> > > > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: > > > Possibly > > > > > >> > > transient > > > > > >> > > > ZooKeeper exception: > > > > > >> > > > > > org.apache.zookeeper.KeeperException$ConnectionLossException: > > > > > >> > > > KeeperErrorCode = ConnectionLoss for /hbase > > > > > >> > > > 2013-08-21 12:17:11,009 INFO > > > > > >> org.apache.hadoop.hbase.util.RetryCounter: > > > > > >> > > > Sleeping 8000ms before retry #3...\ > > > > > >> > > > > > > > > >> > > > Any tips? > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > > > > > > >> > > > On Wed, Aug 21, 2013 at 5:15 PM, Jean-Marc Spaggiari < > > > > > >> > > > [email protected]> wrote: > > > > > >> > > > > > > > > >> > > > > Hi Pavan, > > > > > >> > > > > > > > > > >> > > > > I don't think Cloudera Manager assign the address to > your > > > > > >> computer. > > > > > >> > > When > > > > > >> > > > CM > > > > > >> > > > > is down, your computer still have an IP, and even if you > > > > > >> un-install > > > > > >> > CM, > > > > > >> > > > you > > > > > >> > > > > will still have an IP assigned to your computer. > > > > > >> > > > > > > > > > >> > > > > If you have not configured anything there, then you most > > > > > probably > > > > > >> > have > > > > > >> > > a > > > > > >> > > > > DHCP. Just give a try to what I told you on the other > > > message. > > > > > >> > > > > > > > > > >> > > > > JM > > > > > >> > > > > > > > > > >> > > > > 2013/8/21 Pavan Sudheendra <[email protected]> > > > > > >> > > > > > > > > > >> > > > > > @Manoj i have set hbase.zookeeper.quorum in my M-R > > > > > application.. > > > > > >> > > > > > > > > > > >> > > > > > @Jean The cloudera manager picks up the ip address > > > > > >> automatically.. > > > > > >> > > > > > > > > > > >> > > > > > > > > > > >> > > > > > On Wed, Aug 21, 2013 at 5:07 PM, manoj p < > > > [email protected] > > > > > > > > > > >> > wrote: > > > > > >> > > > > > > > > > > >> > > > > > > Can you try passing the argument > > > > > >> > > > -Dhbase.zookeeper.quorum=10.34.187.170 > > > > > >> > > > > > > while running the program > > > > > >> > > > > > > > > > > > >> > > > > > > If this does'nt work either please check if > HBASE_HOME > > > and > > > > > >> > > > > HBASE_CONF_DIR > > > > > >> > > > > > > is set correctly. > > > > > >> > > > > > > > > > > > >> > > > > > > BR/Manoj > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > On Wed, Aug 21, 2013 at 4:48 PM, Pavan Sudheendra < > > > > > >> > > > [email protected] > > > > > >> > > > > > > >wrote: > > > > > >> > > > > > > > > > > > >> > > > > > > > Yes. My /etc/hosts have the correct mapping to > > > localhost > > > > > >> > > > > > > > > > > > > >> > > > > > > > 127.0.0.1 localhost > > > > > >> > > > > > > > > > > > > >> > > > > > > > # The following lines are desirable for IPv6 > capable > > > > hosts > > > > > >> > > > > > > > ::1 ip6-localhost ip6-loopback > > > > > >> > > > > > > > fe00::0 ip6-localnet > > > > > >> > > > > > > > ff00::0 ip6-mcastprefix > > > > > >> > > > > > > > ff02::1 ip6-allnodes > > > > > >> > > > > > > > ff02::2 ip6-allrouters > > > > > >> > > > > > > > > > > > > >> > > > > > > > I've added the HBase jars to the Hadoop Classpath > as > > > > well. > > > > > >> Not > > > > > >> > > sure > > > > > >> > > > > > why.. > > > > > >> > > > > > > > I'm running this on a 6 node cloudera cluster > which > > > > > consist > > > > > >> of > > > > > >> > 1 > > > > > >> > > > > > > > jobtrackers and 5 tasktrackers.. > > > > > >> > > > > > > > > > > > > >> > > > > > > > After a while all my map jobs fail.. Completely > > > baffled > > > > > >> because > > > > > >> > > the > > > > > >> > > > > map > > > > > >> > > > > > > > tasks were doing the required tasks.. > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > On Wed, Aug 21, 2013 at 4:45 PM, manoj p < > > > > > [email protected] > > > > > >> > > > > > > >> > > > wrote: > > > > > >> > > > > > > > > > > > > >> > > > > > > > > For your code to run, please ensure if you use > the > > > > > correct > > > > > >> > > > > > HBase/Hadoop > > > > > >> > > > > > > > jar > > > > > >> > > > > > > > > versions while compiling your program. > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > BR/Manoj > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > On Wed, Aug 21, 2013 at 4:38 PM, manoj p < > > > > > >> [email protected]> > > > > > >> > > > > wrote: > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > Check your /etc/hosts file if you have the > > correct > > > > > >> mapping > > > > > >> > to > > > > > >> > > > > > > localhost > > > > > >> > > > > > > > > > for 127.0.0.1. Also ensure that if you have > > > > > >> > > > > hbase.zookeeper.quorum > > > > > >> > > > > > in > > > > > >> > > > > > > > > your > > > > > >> > > > > > > > > > configuration and also check if HBase > classpath > > is > > > > > >> appended > > > > > >> > > to > > > > > >> > > > > > Hadoop > > > > > >> > > > > > > > > > classpath. > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > BR/Manoj > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > > On Wed, Aug 21, 2013 at 4:10 PM, Pavan > > Sudheendra > > > < > > > > > >> > > > > > > [email protected] > > > > > >> > > > > > > > > >wrote: > > > > > >> > > > > > > > > > > > > > > >> > > > > > > > > >> Hadoop Namenode reports the following error > > which > > > > is > > > > > >> > > unusual : > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> 013-08-21 09:21:12,328 INFO > > > > > >> > org.apache.zookeeper.ClientCnxn: > > > > > >> > > > > > Opening > > > > > >> > > > > > > > > >> socket > > > > > >> > > > > > > > > >> connection to server localhost/ > 127.0.0.1:2181. > > > > Will > > > > > >> not > > > > > >> > > > attempt > > > > > >> > > > > > to > > > > > >> > > > > > > > > >> authenticate using SASL (Unable to locate a > > login > > > > > >> > > > configuration) > > > > > >> > > > > > > > > >> java.net.ConnectException: Connection refused > > > > > >> > > > > > > > > >> at > > > > > sun.nio.ch.SocketChannelImpl.checkConnect(Native > > > > > >> > > > Method) > > > > > >> > > > > > > > > >> at > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > > > > >> > > > > > > > > >> > > > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) > > > > > >> > > > > > > > > >> at > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > > > > > > >> > > > > > > > > > > > > >> > > > > > > > > > > > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > > > > > > > > > > > org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350) > > > > > >> > > > > > > > > >> at > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > > > >> > > > > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068) > > > > > >> > > > > > > > > >> 2013-08-21 09:33:11,033 WARN > > > > > >> > > > > > > > > >> > > > > > org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper: > > > > > >> > > > Possibly > > > > > >> > > > > > > > > transient > > > > > >> > > > > > > > > >> ZooKeeper exception: > > > > > >> > > > > > > > > >> > > > > > >> > > > org.apache.zookeeper.KeeperException$ConnectionLossException: > > > > > >> > > > > > > > > >> KeeperErrorCode = ConnectionLoss for /hbase > > > > > >> > > > > > > > > >> 2013-08-21 09:33:11,033 INFO > > > > > >> > > > > > > > org.apache.hadoop.hbase.util.RetryCounter: > > > > > >> > > > > > > > > >> Sleeping 8000ms before retry #3... > > > > > >> > > > > > > > > >> 2013-08-21 09:33:11,043 WARN > > > > > >> > org.apache.hadoop.mapred.Task: > > > > > >> > > > > Parent > > > > > >> > > > > > > > died. > > > > > >> > > > > > > > > >> Exiting attempt_201307181246_0548_m_000022_2 > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> Because i have specified the address in the > > java > > > > file > > > > > >> > > > > > > > > >> Configuration conf = > > > > HBaseConfiguration.create(); > > > > > >> > > > > > > > > >> conf.set("hbase.zookeeper.quorum", > > > > > >> "10.34.187.170"); > > > > > >> > > > > > > > > >> > > > > > >> > conf.set("hbase.zookeeper.property.clientPort","2181"); > > > > > >> > > > > > > > > >> conf.set("hbase.master","10.34.187.170"); > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> > > > > > >> > > > > > > > > >> All my map tasks fail like this! 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