Hi All
I am running map reduce job which will dump the data to hbase but when i run
the job, i am getting the following error message in map task log.
2010-10-27 14:28:20,486 INFO org.apache.hadoop.util.NativeCodeLoader:
Loaded the native-hadoop library
2010-10-27 14:28:20,813 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=MAP, sessionId=
2010-10-27 14:28:21,406 INFO org.apache.zookeeper.ZooKeeper: Client
environment:zookeeper.version=3.3.1-942149, built on 05/07/2010 17:14
GMT
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:host.name=app1.hsd1.wa.comcast.net.
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.version=1.6.0_20
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.vendor=Sun Microsystems Inc.
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.home=/usr/lib/jvm/java-6-sun-1.6.0.20/jre
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.class.path=/usr/lib/hadoop-0.20/conf:/usr/lib/jvm/java-6-sun/lib/tools.jar:/usr/lib/hadoop-0.20:/usr/lib/hadoop-0.20/hadoop-core-0.20.2+737.jar:/usr/lib/hadoop-0.20/lib/aspectjrt-1.6.5.jar:/usr/lib/hadoop-0.20/lib/aspectjtools-1.6.5.jar:/usr/lib/hadoop-0.20/lib/commons-cli-1.2.jar:/usr/lib/hadoop-0.20/lib/commons-codec-1.4.jar:/usr/lib/hadoop-0.20/lib/commons-daemon-1.0.1.jar:/usr/lib/hadoop-0.20/lib/commons-el-1.0.jar:/usr/lib/hadoop-0.20/lib/commons-httpclient-3.0.1.jar:/usr/lib/hadoop-0.20/lib/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-net-1.4.1.jar:/usr/lib/hadoop-0.20/lib/core-3.1.1.jar:/usr/lib/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2+737.jar:/usr/lib/hadoop-0.20/lib/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jackson-mapper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jasper-compiler-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jasper-runtime-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jets3t-0.6.1.jar:/usr/lib/hadoop-0.20/lib/jetty-6.1.14.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.14.jar:/usr/lib/hadoop-0.20/lib/junit-4.5.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/mysql-connector-java-5.0.8-bin.jar:/usr/lib/hadoop-0.20/lib/oro-2.0.8.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-6.1.14.jar:/usr/lib/hadoop-0.20/lib/slf4j-api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/slf4j-log4j12-1.4.3.jar:/usr/lib/hadoop-0.20/lib/xmlenc-0.52.jar:/usr/lib/hadoop-0.20/lib/jsp-2.1/jsp-2.1.jar:/usr/lib/hadoop-0.20/lib/jsp-2.1/jsp-api-2.1.jar:/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/jars/classes:/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/jars/job.jar:/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/attempt_201010191227_0086_m_000000_0/work
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.library.path=/usr/lib/hadoop-0.20/lib/native/Linux-amd64-64:/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/attempt_201010191227_0086_m_000000_0/work
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.io.tmpdir=/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/attempt_201010191227_0086_m_000000_0/work/tmp
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:java.compiler=<NA>
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:os.name=Linux
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:os.arch=amd64
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:os.version=2.6.32-21-server
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:user.name=mapred
2010-10-27 14:28:21,407 INFO org.apache.zookeeper.ZooKeeper: Client
environment:user.home=/usr/lib/hadoop-0.20
2010-10-27 14:28:21,408 INFO org.apache.zookeeper.ZooKeeper: Client
environment:user.dir=/var/lib/hadoop-0.20/cache/mapred/mapred/local/taskTracker/root/jobcache/job_201010191227_0086/attempt_201010191227_0086_m_000000_0/work
2010-10-27 14:28:21,410 INFO org.apache.zookeeper.ZooKeeper:
Initiating client connection, connectString=*localhost*:2181
sessionTimeout=60000
watcher=org.apache.hadoop.hbase.client.hconnectionmanager$clientzkwatc...@28ab54eb
2010-10-27 14:28:21,436 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/127.0.0.1:2181
2010-10-27 14:28:21,442 WARN org.apache.zookeeper.ClientCnxn: Session
0x0 for server null, unexpected error, closing socket connection and
attempting reconnect
java.net.ConnectException*: Connection refused*
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at
sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
2010-10-27 14:28:22,288 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server localhost/0:0:0:0:0:0:0:1:2181
2010-10-27 14:28:22,289 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:574)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
*Here is the output of zookeeper Dump*
HBase tree in ZooKeeper is rooted at /hbase
Cluster up? true
Master address: 10.10.10.2:60000
Region server holding ROOT: 10.10.10.4:60020
Region servers:
- 10.10.10.2:60020
- 10.10.10.4:60020
- 10.10.10.3:60020
Quorum Server Statistics:
- 10.10.10.2:2181
Zookeeper version: 3.3.1-942149, built on 05/07/2010 17:14 GMT
Clients:
/10.10.10.2:47228[1](queued=0,recved=5892,sent=5892)
/127.0.0.1:42472[1](queued=0,recved=6097,sent=6097)
/10.10.10.2:56144[0](queued=0,recved=1,sent=0)
/10.10.10.3:39375[1](queued=0,recved=6033,sent=6035)
/10.10.10.2:47222[1](queued=0,recved=5925,sent=5928)
/10.10.10.2:47233[1](queued=0,recved=5916,sent=5916)
/10.10.10.4:54305[1](queued=0,recved=6027,sent=6029)
Latency min/avg/max: 0/0/35
Received: 36898
Sent: 36905
Outstanding: 0
Zxid: 0x28
Mode: standalone
Node count: 12
I assume there is some configuration problem thats why job try to
connect to local host. Any one has idea how to solve it?
Thanks in advance
--
Regards
Shuja-ur-Rehman Baig
http://pk.linkedin.com/in/shujamughal
Cell: +92 3214207445
