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From Jonathan Hsieh <...@cloudera.com>
Subject Re: Problem in using HBase Bulk Load
Date Thu, 08 Mar 2012 08:18:12 GMT
Hi Anil,

Looks like the zookeeper information isn't in your classpath when using the
hadoop command line.  You may want to either add /etc/zookeeper/conf to you
class path (possibly by prefacing the import command with
HADOOP_CLASSPATH=/etc/zookeeper/conf), or add xml style zookeeper config
settings to your hbase-site.xml file.

http://hbase.apache.org/book.html#zookeeper

Jon.

On Fri, Mar 2, 2012 at 9:48 AM, anil gupta <anilgupta84@gmail.com> wrote:

> Hi All,
>
> I am using cdh3u2(hbase version:0.90.4-cdh3u2).
>
> I am able to perform CRUD operation in Hbase through its shell and On the
> web console also it doesn't reports any problem. I also imported data into
> HBase with help of Sqoop and it works fine without any problem.
>
> In my cluster i have 3 nodes running tasktracker, datanode,
> hbase-regionserver; 1 node running namenode, hbase-master; 1 node running
> jobtracker, zookeeper-server.
> I have only 1 zookeeper server in my quorum. Following is the configuration
> of my zoo.cfg file:
> tickTime=2000
> dataDir=/var/zookeeper
> clientPort=2181
> server.0=zookeeper-hostname:2888:3888
>
> The above file is present across the cluster in /etc/zookeeper/ folder.
>
> My hbase-site.xml has the following property for zookeeper:
> <property>
>  <name>hbase.zookeeper.quorum</name>
>  <value>ihub-jobtracker1</value>
> </property>
>
>
> PROBLEM: When i run the bulk load it tries to connect to zookeeper server
> at 127.0.0.1:2181. This is incorrect. It should connect to
> "zookeeper-hostname:2181". Please provide me pointers in resolving this
> problem. Appreciate your help.
>
>
> Here is the command i run for bulk_loading:
> sudo -u hdfs hadoop jar /usr/lib/hbase/hbase-0.90.4-cdh3u2.jar importtsv
>
> -Dimporttsv.columns=HBASE_ROW_KEY,info:APPDATE,info:CANCELREASON,info:CURRENTSTATUS
> account_data1 /user/hdfs/account_data1 '-Dimporttsv.separator=,'
>
> Here is the console log after running the above command:
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:zookeeper.version=3.3.3-cdh3u2--1, built on 10/14/2011 05:17
> GMT
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client environment:host.name
> =ihub-namenode1
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:java.version=1.6.0_20
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:java.vendor=Sun Microsystems Inc.
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:java.home=/usr/java/jdk1.6.0_20/jre
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
>
> environment:java.class.path=/usr/lib/hadoop-0.20/conf:/usr/java/jdk1.6.0_20/jre//lib/tools.jar:/usr/lib/hadoop-0.20:/usr/lib/hadoop-0.20/hadoop-core-0.20.2-cdh3u2.jar:/usr/lib/hadoop-0.20/lib/ant-contrib-1.0b3.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-3.1.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/guava-r06.jar:/usr/lib/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u2.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-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-servlet-tester-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jsch-0.1.42.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/oro-2.0.8.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-20081211.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/zookeeper.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:/usr/lib/hadoop/lib:/usr/lib/hbase/lib:/usr/lib/sqoop/lib
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
>
> environment:java.library.path=/usr/java/jdk1.6.0_20/jre/lib/amd64/server:/usr/java/jdk1.6.0_20/jre/lib/amd64:/usr/java/jdk1.6.0_20/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:java.io.tmpdir=/tmp
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:java.compiler=<NA>
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client environment:os.name
> =Linux
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:os.arch=amd64
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:os.version=2.6.32-71.el6.x86_64
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client environment:user.name
> =hdfs
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:user.home=/usr/lib/hadoop-0.20
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Client
> environment:user.dir=/etc/hbase/conf
> 12/03/02 09:40:27 INFO zookeeper.ZooKeeper: Initiating client connection,
> connectString=localhost:2181 sessionTimeout=180000 watcher=hconnection
> 12/03/02 09:40:27 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:27 WARN 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$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:28 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:28 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> unexpected error, closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
>        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>        at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
>        at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:30 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:30 WARN 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$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:32 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:32 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> unexpected error, closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
>        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>        at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
>        at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:33 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:33 WARN 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$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:35 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:35 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> unexpected error, closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
>        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>        at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
>        at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:36 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:36 WARN 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$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:38 INFO zookeeper.ClientCnxn: Opening socket connection to
> server localhost/127.0.0.1:2181
> 12/03/02 09:40:38 WARN zookeeper.ClientCnxn: Session 0x0 for server null,
> unexpected error, closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
>        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>        at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
>        at
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1119)
> 12/03/02 09:40:39 INFO zookeeper.ZooKeeper: Session: 0x0 closed
> 12/03/02 09:40:39 ERROR mapreduce.TableOutputFormat:
> org.apache.hadoop.hbase.ZooKeeperConnectionException: HBase is able to
> connect to ZooKeeper but the connection closes immediately. This could be a
> sign that the server has too many connections (30 is the default). Consider
> inspecting your ZK server logs for that error and then make sure you are
> reusing HBaseConfiguration as often as you can. See HTable's javadoc for
> more information.
> 12/03/02 09:40:39 INFO zookeeper.ClientCnxn: EventThread shut down
> 12/03/02 09:40:39 INFO input.FileInputFormat: Total input paths to process
> : 1
> 12/03/02 09:40:39 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> 12/03/02 09:40:39 WARN snappy.LoadSnappy: Snappy native library not loaded
>
>
> --
> Thanks & Regards,
> Anil Gupta
>



-- 
// Jonathan Hsieh (shay)
// Software Engineer, Cloudera
// jon@cloudera.com

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