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 ==== CH22 ==== 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 ==== Running on : CH22/192.168.10.22 ===== -- 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 ==== CH34 ==== 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 ==== Running on : CH34/192.168.10.34 ===== -- 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 ==== CH35 ==== 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 ==== Running on : CH35/192.168.10.35 ===== -- 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 ==== CH36 ==== 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 ==== Running on : CH36/192.168.10.36 ===== -- 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=JobTracker, sessionId= 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=3.4.5-cdh4.3.0--1, built on 05/28/2013 02:01 GMT 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:host.name =CH22 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.version=1.6.0_35 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Sun Microsystems Inc. 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.home=/usr/java/jdk1.6.0_35/jre 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.class.path=/etc/hadoop/conf:/etc/hado。。。。。。 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.library.path=/usr/lib/hadoop/lib/native/Linux-amd64-64/lib:/usr/lib/hadoop/lib/native 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA> 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:os.version=2.6.32-220.el6.x86_64 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:user.name =root 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:user.home=/root 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Client environment:user.dir=/root/mapreducetest 13/08/02 13:10:17 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=CH22:2281 sessionTimeout=180000 watcher=hconnection 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 = 0x4028bf01c90097, negotiated timeout = 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'