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Date: Fri, 2 Aug 2013 13:12:27 +0800
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Subject: issure about DNS error in running hbase mapreduce
From: ch huang <justlooks@gmail.com>
To: user@hbase.apache.org
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i use hadoop-dns-checker check the dns problem ,seems all ok,but when i run
MR task in hbase,it report problem,anyone have good idea?

# ./run-on-cluster.sh hosts1
=3D=3D=3D=3D CH22 =3D=3D=3D=3D
The authenticity of host 'ch22 (192.168.10.22)' can't be established.
RSA key fingerprint is f3:4a:ca:a3:17:08:98:c2:0a:bd:27:99:a3:65:bc:89.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'ch22,192.168.10.22' (RSA) to the list of known
hosts.
root@ch22's password:
sending incremental file list
created directory hadoop-dns
a.jar
hosts1
run.sh
sent 2394 bytes  received 69 bytes  547.33 bytes/sec
total size is 2618  speedup is 1.06
root@ch22's password:
# self check...
-- host : CH22
   host lookup : success (192.168.10.22)
   reverse lookup : success (CH22)
   is reachable : yes
# end self check
=3D=3D=3D=3D Running on : CH22/192.168.10.22 =3D=3D=3D=3D=3D
-- host : CH22
   host lookup : success (192.168.10.22)
   reverse lookup : success (CH22)
   is reachable : yes
-- host : CH34
   host lookup : success (192.168.10.34)
   reverse lookup : success (CH34)
   is reachable : yes
-- host : CH35
   host lookup : success (192.168.10.35)
   reverse lookup : success (CH35)
   is reachable : yes
-- host : CH36
   host lookup : success (192.168.10.36)
   reverse lookup : success (CH36)
   is reachable : yes

=3D=3D=3D=3D CH34 =3D=3D=3D=3D
root@ch34's password:
sending incremental file list
created directory hadoop-dns
a.jar
hosts1
run.sh
sent 2394 bytes  received 69 bytes  703.71 bytes/sec
total size is 2618  speedup is 1.06
root@ch34's password:
# self check...
-- host : CH34
   host lookup : success (192.168.10.34)
   reverse lookup : success (CH34)
   is reachable : yes
# end self check
=3D=3D=3D=3D Running on : CH34/192.168.10.34 =3D=3D=3D=3D=3D
-- host : CH22
   host lookup : success (192.168.10.22)
   reverse lookup : success (CH22)
   is reachable : yes
-- host : CH34
   host lookup : success (192.168.10.34)
   reverse lookup : success (CH34)
   is reachable : yes
-- host : CH35
   host lookup : success (192.168.10.35)
   reverse lookup : success (CH35)
   is reachable : yes
-- host : CH36
   host lookup : success (192.168.10.36)
   reverse lookup : success (CH36)
   is reachable : yes
=3D=3D=3D=3D CH35 =3D=3D=3D=3D
root@ch35's password:
sending incremental file list
created directory hadoop-dns
a.jar
hosts1
run.sh
sent 2394 bytes  received 69 bytes  703.71 bytes/sec
total size is 2618  speedup is 1.06
root@ch35's password:
# self check...
-- host : CH35
   host lookup : success (192.168.10.35)
   reverse lookup : success (CH35)
   is reachable : yes
# end self check
=3D=3D=3D=3D Running on : CH35/192.168.10.35 =3D=3D=3D=3D=3D
-- host : CH22
   host lookup : success (192.168.10.22)
   reverse lookup : success (CH22)
   is reachable : yes
-- host : CH34
   host lookup : success (192.168.10.34)
   reverse lookup : success (CH34)
   is reachable : yes
-- host : CH35
   host lookup : success (192.168.10.35)
   reverse lookup : success (CH35)
   is reachable : yes
-- host : CH36
   host lookup : success (192.168.10.36)
   reverse lookup : success (CH36)
   is reachable : yes
=3D=3D=3D=3D CH36 =3D=3D=3D=3D
root@ch36's password:
sending incremental file list
created directory hadoop-dns
a.jar
hosts1
run.sh
sent 2394 bytes  received 69 bytes  703.71 bytes/sec
total size is 2618  speedup is 1.06
root@ch36's password:
# self check...
-- host : CH36
   host lookup : success (192.168.10.36)
   reverse lookup : success (CH36)
   is reachable : yes
# end self check
=3D=3D=3D=3D Running on : CH36/192.168.10.36 =3D=3D=3D=3D=3D
-- host : CH22
   host lookup : success (192.168.10.22)
   reverse lookup : success (CH22)
   is reachable : yes
-- host : CH34
   host lookup : success (192.168.10.34)
   reverse lookup : success (CH34)
   is reachable : yes
-- host : CH35
   host lookup : success (192.168.10.35)
   reverse lookup : success (CH35)
   is reachable : yes
-- host : CH36
   host lookup : success (192.168.10.36)
   reverse lookup : success (CH36)
   is reachable : yes

#  yarn jar mapreducehbaseTest.jar com.mediaadx.hbase.hadoop.test.TxtHbase
'' ''
13/08/02 13:10:17 WARN conf.Configuration: dfs.df.interval is deprecated.
Instead, use fs.df.interval
13/08/02 13:10:17 WARN conf.Configuration: hadoop.native.lib is deprecated.
Instead, use io.native.lib.available
13/08/02 13:10:17 WARN conf.Configuration: fs.default.name is deprecated.
Instead, use fs.defaultFS
13/08/02 13:10:17 WARN conf.Configuration: topology.script.number.args is
deprecated. Instead, use net.topology.script.number.args
13/08/02 13:10:17 WARN conf.Configuration: dfs.umaskmode is deprecated.
Instead, use fs.permissions.umask-mode
13/08/02 13:10:17 WARN conf.Configuration:
topology.node.switch.mapping.impl is deprecated. Instead, use
net.topology.node.switch.mapping.impl
13/08/02 13:10:17 WARN conf.Configuration: session.id is deprecated.
Instead, use dfs.metrics.session-id
13/08/02 13:10:17 INFO jvm.JvmMetrics: Initializing JVM Metrics with
processName=3DJobTracker, sessionId=3D
13/08/02 13:10:17 WARN conf.Configuration: slave.host.name is deprecated.
Instead, use dfs.datanode.hostname
13/08/02 13:10:17 WARN mapred.JobClient: Use GenericOptionsParser for
parsing the arguments. Applications should implement Tool for the same.
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:zookeeper.version=3D3.4.5-cdh4.3.0--1, built on 05/28/2013 02:0=
1
GMT
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:host.name
=3DCH22
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.version=3D1.6.0_35
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.vendor=3DSun Microsystems Inc.
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.home=3D/usr/java/jdk1.6.0_35/jre
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.class.path=3D/etc/hadoop/conf:/etc/hado=E3=80=82=E3=80=82=
=E3=80=82=E3=80=82=E3=80=82=E3=80=82
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.library.path=3D/usr/lib/hadoop/lib/native/Linux-amd64-64/l=
ib:/usr/lib/hadoop/lib/native
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.io.tmpdir=3D/tmp
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:java.compiler=3D<NA>
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:os.name=3DLi=
nux
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:os.arch=3Dam=
d64
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:os.version=3D2.6.32-220.el6.x86_64
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:user.name
=3Droot
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:user.home=3D/root
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client
environment:user.dir=3D/root/mapreducetest
13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Initiating client connection,
connectString=3DCH22:2281 sessionTimeout=3D180000 watcher=3Dhconnection
13/08/02 13:10:17 INFO zookeeper.RecoverableZooKeeper: The identifier of
this process is 3823@CH22
13/08/02 13:10:17 INFO zookeeper.ClientCnxn: Opening socket connection to
server CH22/192.168.10.22:2281. Will not attempt to authenticate using SASL
(Unable to locate a login configuration)
13/08/02 13:10:17 INFO zookeeper.ClientCnxn: Socket connection established
to CH22/192.168.10.22:2281, initiating session
13/08/02 13:10:17 INFO zookeeper.ClientCnxn: Session establishment complete
on server CH22/192.168.10.22:2281, sessionid =3D 0x4028bf01c90097, negotiat=
ed
timeout =3D 40000
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.34 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'34.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.36 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'36.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.34 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'34.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.36 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'36.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.36 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'36.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.34 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'34.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.35 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'35.10.168.192.in-addr.arpa'
13/08/02 13:10:18 ERROR mapreduce.TableInputFormatBase: Cannot resolve the
host name for /192.168.10.34 because of javax.naming.NameNotFoundException:
DNS name not found [response code 3]; remaining name
'34.10.168.192.in-addr.arpa'

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