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From Pavan Sudheendra <pavan0...@gmail.com>
Subject Re: Zookeeper tries to connect to localhost when i have specified another clearly.
Date Wed, 21 Aug 2013 12:56:01 GMT
@Jean the log which i got at the start of running the hadoop jar: Maybe you
can spot something

11:51:44,431  INFO ZooKeeper:100 - Client
environment:java.library.path=/usr/lib/hadoop/lib/native
11:51:44,432  INFO ZooKeeper:100 - Client environment:java.io.tmpdir=/tmp
11:51:44,432  INFO ZooKeeper:100 - Client environment:java.compiler=<NA>
11:51:44,432  INFO ZooKeeper:100 - Client environment:os.name=Linux
11:51:44,432  INFO ZooKeeper:100 - Client environment:os.arch=amd64
11:51:44,432  INFO ZooKeeper:100 - Client
environment:os.version=3.2.0-23-virtual
11:51:44,432  INFO ZooKeeper:100 - Client environment:user.name=root
11:51:44,433  INFO ZooKeeper:100 - Client environment:user.home=/root
11:51:44,433  INFO ZooKeeper:100 - Client
environment:user.dir=/home/ubuntu/pasudhee/ActionDataInterpret
11:51:44,437  INFO ZooKeeper:438 - Initiating client connection,
connectString=localhost:2181 sessionTimeout=180000 watcher=hconnection
11:51:44,493  INFO ClientCnxn:966 - Opening socket connection to server
localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL
(Unable to locate a login configuration)
11:51:44,500  INFO RecoverableZooKeeper:104 - The identifier of this
process is 19267@ip-10-34-187-170.eu-west-1.compute.internal
11:51:44,513  INFO ClientCnxn:849 - Socket connection established to
localhost/127.0.0.1:2181, initiating session
11:51:44,532  INFO ClientCnxn:1207 - Session establishment complete on
server localhost/127.0.0.1:2181, sessionid = 0x13ff1cff71bb167, negotiated
timeout = 60000
11:51:44,743  INFO ZooKeeper:438 - Initiating client connection,
connectString=localhost:2181 sessionTimeout=180000 watcher=hconnection
11:51:44,747  INFO ClientCnxn:966 - Opening socket connection to server
localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL
(Unable to locate a login configuration)
11:51:44,747  INFO ClientCnxn:849 - Socket connection established to
localhost/127.0.0.1:2181, initiating session
11:51:44,747  INFO RecoverableZooKeeper:104 - The identifier of this
process is 19267@ip-10-34-187-170.eu-west-1.compute.internal
11:51:44,749  INFO ClientCnxn:1207 - Session establishment complete on
server localhost/127.0.0.1:2181, sessionid = 0x13ff1cff71bb168, negotiated
timeout = 60000
11:51:44,803  WARN Configuration:824 - hadoop.native.lib is deprecated.
Instead, use io.native.lib.available
11:51:45,051  INFO HConnectionManager$HConnectionImplementation:1789 -
Closed zookeeper sessionid=0x13ff1cff71bb168
11:51:45,054  INFO ZooKeeper:684 - Session: 0x13ff1cff71bb168 closed
11:51:45,054  INFO ClientCnxn:509 - EventThread shut down
11:51:45,057  INFO ZooKeeper:438 - Initiating client connection,
connectString=localhost:2181 sessionTimeout=180000 watcher=hconnection
11:51:45,059  INFO ClientCnxn:966 - Opening socket connection to server
localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL
(Unable to locate a login configuration)
11:51:45,060  INFO ClientCnxn:849 - Socket connection established to
localhost/127.0.0.1:2181, initiating session
11:51:45,061  INFO ClientCnxn:1207 - Session establishment complete on
server localhost/127.0.0.1:2181, sessionid = 0x13ff1cff71bb169, negotiated
timeout = 60000
11:51:45,065  INFO RecoverableZooKeeper:104 - The identifier of this
process is 19267@ip-10-34-187-170.eu-west-1.compute.internal
11:51:45,135  INFO ZooKeeper:438 - Initiating client connection,
connectString=10.34.187.170:2181 sessionTimeout=180000 watcher=hconnection
11:51:45,137  INFO ClientCnxn:966 - Opening socket connection to server
ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181. Will not
attempt to authenticate using SASL (Unable to locate a login configuration)
11:51:45,138  INFO ClientCnxn:849 - Socket connection established to
ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181, initiating
session
11:51:45,138  INFO RecoverableZooKeeper:104 - The identifier of this
process is 19267@ip-10-34-187-170.eu-west-1.compute.internal
11:51:45,140  INFO ClientCnxn:1207 - Session establishment complete on
server ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181,
sessionid = 0x13ff1cff71bb16a, negotiated timeout = 60000
11:51:45,173  INFO ZooKeeper:438 - Initiating client connection,
connectString=10.34.187.170:2181 sessionTimeout=180000
watcher=catalogtracker-on-org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@7444f787
11:51:45,176  INFO ClientCnxn:966 - Opening socket connection to server
ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181. Will not
attempt to authenticate using SASL (Unable to locate a login configuration)
11:51:45,176  INFO ClientCnxn:849 - Socket connection established to
ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181, initiating
session
11:51:45,178  INFO ClientCnxn:1207 - Session establishment complete on
server ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181,
sessionid = 0x13ff1cff71bb16b, negotiated timeout = 60000
11:51:45,180  INFO RecoverableZooKeeper:104 - The identifier of this
process is 19267@ip-10-34-187-170.eu-west-1.compute.internal
11:51:45,211  INFO ZooKeeper:684 - Session: 0x13ff1cff71bb16b closed
11:51:45,211  INFO ClientCnxn:509 - EventThread shut down
11:51:45,218  INFO ZooKeeper:438 - Initiating client connection,
connectString=10.34.187.170:2181 sessionTimeout=180000
watcher=catalogtracker-on-org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@7444f787
11:51:45,220  INFO ClientCnxn:966 - Opening socket connection to server
ip-10-34-187-170.eu-west-1.compute.internal/10.34.187.170:2181. Will not
attempt to authenticate using SASL (Unable to locate a login configuration)



On Wed, Aug 21, 2013 at 6:23 PM, Pavan Sudheendra <pavan0591@gmail.com>wrote:

> Yes .. The zookeeper server is also 10.34.187.170 ..
>
>
> On Wed, Aug 21, 2013 at 6:21 PM, Jean-Marc Spaggiari <
> jean-marc@spaggiari.org> wrote:
>
>> Are you able to connect to your ZK server shell and list the nodes?
>>
>> 2013/8/21 Pavan Sudheendra <pavan0591@gmail.com>
>>
>> > 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 <
>> > jean-marc@spaggiari.org> 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 <pavan0591@gmail.com>
>> > >
>> > > > 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 <
>> > > > jean-marc@spaggiari.org> 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 <pavan0591@gmail.com>
>> > > > >
>> > > > > > Is this a zookeeper specific error or something?
>> > > > > >
>> > > > > >
>> > > > > > On Wed, Aug 21, 2013 at 6:06 PM, Pavan Sudheendra <
>> > > pavan0591@gmail.com
>> > > > > > >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
<
>> > > > > > > jean-marc@spaggiari.org> wrote:
>> > > > > > >
>> > > > > > >> And what about:
>> > > > > > >> # cat /etc/hostname
>> > > > > > >>
>> > > > > > >> and
>> > > > > > >> # hostname
>> > > > > > >>
>> > > > > > >> ?
>> > > > > > >>
>> > > > > > >> 2013/8/21 Pavan Sudheendra <pavan0591@gmail.com>
>> > > > > > >>
>> > > > > > >> > 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 <
>> > > > > > >> > jean-marc@spaggiari.org> 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 <pavan0591@gmail.com>
>> > > > > > >> > >
>> > > > > > >> > > > @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 <
>> > > > > > >> > > > jean-marc@spaggiari.org> 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
<pavan0591@gmail.com>
>> > > > > > >> > > > >
>> > > > > > >> > > > > > @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 <
>> > > > eorstvz@gmail.com
>> > > > > >
>> > > > > > >> > 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 <
>> > > > > > >> > > > pavan0591@gmail.com
>> > > > > > >> > > > > > > >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 <
>> > > > > > eorstvz@gmail.com
>> > > > > > >> >
>> > > > > > >> > > > 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 <
>> > > > > > >> eorstvz@gmail.com>
>> > > > > > >> > > > > 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
>> > > > <
>> > > > > > >> > > > > > > pavan0591@gmail.com
>> > > > > > >> > > > > > > > > >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! Please
>> > help..
>> > > > I'm
>> > > > > > on a
>> > > > > > >> > > > timebomb
>> > > > > > >> > > > > > > > > >>
--
>> > > > > > >> > > > > > > > > >>
Regards-
>> > > > > > >> > > > > > > > > >>
Pavan
>> > > > > > >> > > > > > > > > >>
>> > > > > > >> > > > > > > > > >
>> > > > > > >> > > > > > > > > >
>> > > > > > >> > > > > > > > >
>> > > > > > >> > > > > > > >
>> > > > > > >> > > > > > > >
>> > > > > > >> > > > > > > >
>> > > > > > >> > > > > > > > --
>> > > > > > >> > > > > > > > Regards-
>> > > > > > >> > > > > > > > Pavan
>> > > > > > >> > > > > > > >
>> > > > > > >> > > > > > >
>> > > > > > >> > > > > >
>> > > > > > >> > > > > >
>> > > > > > >> > > > > >
>> > > > > > >> > > > > > --
>> > > > > > >> > > > > > Regards-
>> > > > > > >> > > > > > Pavan
>> > > > > > >> > > > > >
>> > > > > > >> > > > >
>> > > > > > >> > > >
>> > > > > > >> > > >
>> > > > > > >> > > >
>> > > > > > >> > > > --
>> > > > > > >> > > > Regards-
>> > > > > > >> > > > Pavan
>> > > > > > >> > > >
>> > > > > > >> > >
>> > > > > > >> >
>> > > > > > >> >
>> > > > > > >> >
>> > > > > > >> > --
>> > > > > > >> > Regards-
>> > > > > > >> > Pavan
>> > > > > > >> >
>> > > > > > >>
>> > > > > > >
>> > > > > > >
>> > > > > > >
>> > > > > > > --
>> > > > > > > Regards-
>> > > > > > > Pavan
>> > > > > > >
>> > > > > >
>> > > > > >
>> > > > > >
>> > > > > > --
>> > > > > > Regards-
>> > > > > > Pavan
>> > > > > >
>> > > > >
>> > > >
>> > > >
>> > > >
>> > > > --
>> > > > Regards-
>> > > > Pavan
>> > > >
>> > >
>> >
>> >
>> >
>> > --
>> > Regards-
>> > Pavan
>> >
>>
>
>
>
> --
> Regards-
> Pavan
>



-- 
Regards-
Pavan

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