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From Dalia Sobhy <dalia.mohso...@hotmail.com>
Subject Re: Important "Undefined Error"
Date Mon, 14 May 2012 15:17:33 GMT
Hiiii

I have tried to make both ports the same. 
But the prob is the hbase cannot connect to port 8020.
When i run nmap hostname, port 8020 wasnt with the list of open ports.
I have tried what harsh told me abt.
I used the same port he used but same error occurred.
Another aspect in cloudera doc it says that i have to canonical name for the host ex: namenode.example.com as the hostname, but i didnt find it in any tutorial. No one makes it.
Note that i am deploying my cluster in fully distributed mode i.e am using 4 machines..

So any ideas??!!

Sent from my iPhone

On 2012-05-14, at 4:07 PM, "N Keywal" <nkeywal@gmail.com> wrote:

> Hi,
> 
> There could be multiple issues, but it's strange to have in hbase-site.xml
> 
>  <value>hdfs://namenode:9000/hbase</value>
> 
> while the core-site.xml says:
> 
> <value>hdfs://namenode:54310/</value>
> 
> The two entries should match.
> 
> I would recommend to:
> - use netstat to check the ports (netstat -l)
> - do the check recommended by Harsh J previously.
> 
> N.
> 
> 
> On Mon, May 14, 2012 at 3:21 PM, Dalia Sobhy <dalia.mohsobhy@hotmail.com> wrote:
>> 
>> 
>> pleaseeeeeeeeeeee helpppppppppppppppppppp
>> 
>>> From: dalia.mohsobhy@hotmail.com
>>> To: user@hbase.apache.org
>>> Subject: RE: Important "Undefined Error"
>>> Date: Mon, 14 May 2012 12:20:18 +0200
>>> 
>>> 
>>> 
>>> Hi,
>>> I tried what you told me, but nothing worked:(((
>>> First when I run this command:dalia@namenode:~$ host -v -t A `hostname`Output:Trying "namenode"Host namenode not found: 3(NXDOMAIN)Received 101 bytes from 10.0.2.1#53 in 13 ms My core-site.xml:<configuration><property>        <name>fs.default.name</name>        <!--<value>hdfs://namenode:8020</value>-->        <value>hdfs://namenode:54310/</value></property></configuration>
>>> My hdfs-site.xml<configuration><property><name>dfs.name.dir</name><value>/data/1/dfs/nn,/nfsmount/dfs/nn</value></property><!--<property><name>dfs.data.dir</name><value>/data/1/dfs/dn,/data/2/dfs/dn,/data/3/dfs/dn</value></property>--><property><name>dfs.datanode.max.xcievers</name><value>4096</value></property><property><name>dfs.replication</name><value>3</value></property><property> <name>dfs.permissions.superusergroup</name> <value>hadoop</value></property>
>>> My Mapred-site.xml<configuration><name>mapred.local.dir</name><value>/data/1/mapred/local,/data/2/mapred/local,/data/3/mapred/local</value></configuration>
>>> My Hbase-site.xml<configuration><property><name>hbase.cluster.distributed</name>  <value>true</value></property><property>  <name>hbase.rootdir</name>     <value>hdfs://namenode:9000/hbase</value></property><property><name>hbase.zookeeper.quorun</name> <value>namenode</value></property><property><name>hbase.regionserver.port</name><value>60020</value><description>The host and port that the HBase master runs at.</description></property><property><name>dfs.replication</name><value>1</value></property><property><name>hbase.zookeeper.property.clientPort</name><value>2181</value><description>Property from ZooKeeper's config zoo.cfg.The port at which the clients will connect.</description></property></configuration>
>>> Please Help I am really disappointed I have been through all that for two weeks !!!!
>>> 
>>> 
>>> 
>>>> From: dwivedishashwat@gmail.com
>>>> To: user@hbase.apache.org
>>>> Subject: RE: Important "Undefined Error"
>>>> Date: Sat, 12 May 2012 23:31:49 +0530
>>>> 
>>>> The problem is your hbase is not able to connect to Hadoop, can you put your
>>>> hbase-site.xml content >> here.. have you specified localhost somewhere, if
>>>> so remove localhost from everywhere and put your hdfsl namenode address
>>>> suppose your namenode is running on master:9000 then put your hbase file
>>>> system setting as master:9000/hbase here I am sending you the configuration
>>>> which I am using in hbase and is working
>>>> 
>>>> 
>>>> My hbase-site.xml content is
>>>> 
>>>> <?xml version="1.0"?>
>>>> <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
>>>> <!--
>>>> /**
>>>>  * Copyright 2010 The Apache Software Foundation
>>>>  *
>>>>  * Licensed to the Apache Software Foundation (ASF) under one
>>>>  * or more contributor license agreements.  See the NOTICE file
>>>>  * distributed with this work for additional information
>>>>  * regarding copyright ownership.  The ASF licenses this file
>>>>  * to you under the Apache License, Version 2.0 (the
>>>>  * "License"); you may not use this file except in compliance
>>>>  * with the License.  You may obtain a copy of the License at
>>>>  *
>>>>  *     http://www.apache.org/licenses/LICENSE-2.0
>>>>  *
>>>>  * Unless required by applicable law or agreed to in writing, software
>>>>  * distributed under the License is distributed on an "AS IS" BASIS,
>>>>  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>>>>  * See the License for the specific language governing permissions and
>>>>  * limitations under the License.
>>>>  */
>>>> -->
>>>> <configuration>
>>>> <property>
>>>> <name>hbase.rootdir</name>
>>>> <value>hdfs://master:9000/hbase</value>
>>>> </property>
>>>> <property>
>>>> <name>hbase.master</name>
>>>> <value>master:60000</value>
>>>> <description>The host and port that the HBase master runs at.</description>
>>>> </property>
>>>> <property>
>>>> <name>hbase.regionserver.port</name>
>>>> <value>60020</value>
>>>> <description>The host and port that the HBase master runs at.</description>
>>>> </property>
>>>> <!--<property>
>>>> <name>hbase.master.port</name>
>>>> <value>60000</value>
>>>> <description>The host and port that the HBase master runs at.</description>
>>>> </property>-->
>>>> <property>
>>>> <name>hbase.cluster.distributed</name>
>>>> <value>true</value>
>>>> </property>
>>>> <property>
>>>> <name>hbase.tmp.dir</name>
>>>> <value>/home/shashwat/Hadoop/hbase-0.90.4/temp</value>
>>>> </property>
>>>> <property>
>>>> <name>hbase.zookeeper.quorum</name>
>>>> <value>master</value>
>>>> </property>
>>>> <property>
>>>> <name>dfs.replication</name>
>>>> <value>1</value>
>>>> </property>
>>>> <property>
>>>> <name>hbase.zookeeper.property.clientPort</name>
>>>> <value>2181</value>
>>>> <description>Property from ZooKeeper's config zoo.cfg.
>>>> The port at which the clients will connect.
>>>> </description>
>>>> </property>
>>>> <property>
>>>> <name>hbase.zookeeper.property.dataDir</name>
>>>> <value>/home/shashwat/zookeeper</value>
>>>> <description>Property from ZooKeeper's config zoo.cfg.
>>>> The directory where the snapshot is stored.
>>>> </description>
>>>> </property>
>>>> 
>>>> </configuration>
>>>> 
>>>> 
>>>> 
>>>> 
>>>> Check this out, and also stop hbase, If its not stopping kill all the
>>>> processes, and after putting your  hdfs-site.xml, mapred-site.xml and
>>>> core-site.sml to hbase conf directory try to restart, and also delete the
>>>> folders created by hbase ,,, like temp directory or other then try to start.
>>>> 
>>>> Regards
>>>> ∞
>>>> Shashwat Shriparv
>>>> 
>>>> 
>>>> -----Original Message-----
>>>> From: Dalia Sobhy [mailto:dalia.mohsobhy@hotmail.com]
>>>> Sent: 12 May 2012 22:48
>>>> To: user@hbase.apache.org
>>>> Subject: RE: Important "Undefined Error"
>>>> 
>>>> 
>>>> Hi Shashwat,
>>>> I want to tell you about my configurations:
>>>> I am using 4 nodesOne "Master": Namenode, SecondaryNamenode, Job Tracker,
>>>> Zookeeper, HMasterThree "Slaves": datanodes, tasktrackers, regionservers In
>>>> both master and slaves, all the hadoop daemons are working well, but as for
>>>> the hbase master service it is not working..
>>>> As for region server here is the error:12/05/12 14:42:13 INFO
>>>> util.ServerCommandLine: vmName=Java HotSpot(TM) 64-Bit Server VM,
>>>> vmVendor=Sun Microsystems Inc., vmVersion=20.1-b0212/05/12 14:42:13 INFO
>>>> util.ServerCommandLine: vmInputArguments=[-Xmx1000m, -ea,
>>>> -XX:+UseConcMarkSweepGC, -XX:+CMSIncrementalMode,
>>>> -Dhbase.log.dir=/usr/lib/hbase/bin/../logs, -Dhbase.log.file=hbase.log,
>>>> -Dhbase.home.dir=/usr/lib/hbase/bin/.., -Dhbase.id.str=,
>>>> -Dhbase.root.logger=INFO,console,
>>>> -Djava.library.path=/usr/lib/hadoop-0.20/lib/native/Linux-amd64-64:/usr/lib/
>>>> hbase/bin/../lib/native/Linux-amd64-64]12/05/12 14:42:13 INFO
>>>> ipc.HBaseRpcMetrics: Initializing RPC Metrics with hostName=HRegionServer,
>>>> port=6002012/05/12 14:42:14 FATAL zookeeper.ZKConfig: The server in zoo.cfg
>>>> cannot be set to localhost in a fully-distributed setup because it won't be
>>>> reachable. See "Getting Started" for more information.12/05/12 14:42:14 WARN
>>>> zookeeper.ZKConfig: Cannot read zoo.cfg, loading from XML
>>>> filesjava.io.IOException:
>>>>  The server in zoo.cfg cannot be set to localhost in a fully-distributed
>>>> setup because it won't be reachable. See "Getting Started" for more
>>>> information.        at
>>>> org.apache.hadoop.hbase.zookeeper.ZKConfig.parseZooCfg(ZKConfig.java:172)
>>>> at org.apache.hadoop.hbase.zookeeper.ZKConfig.makeZKProps(ZKConfig.java:68)
>>>> at
>>>> org.apache.hadoop.hbase.zookeeper.ZKConfig.getZKQuorumServersString(ZKConfig
>>>> .java:249)  at
>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.j
>>>> ava:117)    at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegi
>>>> onServer.java:489)  at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.initialize(HRegionServer.
>>>> java:465)   at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:56
>>>> 4)  at java.lang.Thread.run(Thread.java:662)12/05/12 14:42:14 INFO
>>>> zookeeper.ZooKeeper: Client environment:zookeeper.version=3.3.5-cdh3u4--1,
>>>> built on 05/07/2012 21:12 GMT12/05/12 14:42:14 INFO zookeeper.ZooKeeper:
>>>> Client environment:host.name=data
>>>>  node212/05/12 14:42:14 INFO zookeeper.ZooKeeper: Client
>>>> environment:java.version=1.6.0_2612/05/12 14:42:14 INFO zookeeper.ZooKeeper:
>>>> Client environment:java.vendor=Sun Microsystems Inc.12/05/12 14:42:14 INFO
>>>> zookeeper.ZooKeeper: Client environment:java.home=/usr/lib/jvm/java-6-sun-1.
>>>> 6.0.26/jre12/05/12 14:42:14 INFO zookeeper.ZooKeeper: Client
>>>> environment:java.class.path=/usr/lib/hbase/bin/../conf:/usr/lib/jvm/java-6-s
>>>> un/lib/tools.jar:/usr/lib/hbase/bin/..:/usr/lib/hbase/bin/../hbase-0.90.6-cd
>>>> h3u4.jar:/usr/lib/hbase/bin/../hbase-0.90.6-cdh3u4-tests.jar:/usr/lib/hbase/
>>>> bin/../lib/activation-1.1.jar:/usr/lib/hbase/bin/../lib/asm-3.1.jar:/usr/lib
>>>> /hbase/bin/../lib/avro-1.5.4.jar:/usr/lib/hbase/bin/../lib/avro-ipc-1.5.4.ja
>>>> r:/usr/lib/hbase/bin/../lib/commons-cli-1.2.jar:/usr/lib/hbase/bin/../lib/co
>>>> mmons-codec-1.4.jar:/usr/lib/hbase/bin/../lib/commons-el-1.0.jar:/usr/lib/hb
>>>> ase/bin/../lib/commons-httpclient-3.1.jar:/usr/lib/hbase/bin/../lib/commons-
>>>> lang-2.5.jar:/usr/lib/hbase/bin/../lib/commo
>>>> 
>>>> ns-logging-1.1.1.jar:/usr/lib/hbase/bin/../lib/commons-net-1.4.1.jar:/usr/li
>>>> b/hbase/bin/../lib/core-3.1.1.jar:/usr/lib/hbase/bin/../lib/guava-r06.jar:/u
>>>> sr/lib/hbase/bin/../lib/guava-r09-jarjar.jar:/usr/lib/hbase/bin/../lib/hadoo
>>>> p-core.jar:/usr/lib/hbase/bin/../lib/jackson-core-asl-1.5.2.jar:/usr/lib/hba
>>>> se/bin/../lib/jackson-jaxrs-1.5.5.jar:/usr/lib/hbase/bin/../lib/jackson-mapp
>>>> er-asl-1.5.2.jar:/usr/lib/hbase/bin/../lib/jackson-xc-1.5.5.jar:/usr/lib/hba
>>>> se/bin/../lib/jamon-runtime-2.3.1.jar:/usr/lib/hbase/bin/../lib/jasper-compi
>>>> ler-5.5.23.jar:/usr/lib/hbase/bin/../lib/jasper-runtime-5.5.23.jar:/usr/lib/
>>>> hbase/bin/../lib/jaxb-api-2.1.jar:/usr/lib/hbase/bin/../lib/jaxb-impl-2.1.12
>>>> .jar:/usr/lib/hbase/bin/../lib/jersey-core-1.4.jar:/usr/lib/hbase/bin/../lib
>>>> /jersey-json-1.4.jar:/usr/lib/hbase/bin/../lib/jersey-server-1.4.jar:/usr/li
>>>> b/hbase/bin/../lib/jettison-1.1.jar:/usr/lib/hbase/bin/../lib/jetty-6.1.26.j
>>>> ar:/usr/lib/hbase/bin/../lib/jetty-util-6.1.26.jar:/usr/lib/hbase/bin/../lib
>>>> /jruby-co
>>>> 
>>>> mplete-1.6.0.jar:/usr/lib/hbase/bin/../lib/jsp-2.1-6.1.14.jar:/usr/lib/hbase
>>>> /bin/../lib/jsp-api-2.1-6.1.14.jar:/usr/lib/hbase/bin/../lib/jsp-api-2.1.jar
>>>> :/usr/lib/hbase/bin/../lib/jsr311-api-1.1.1.jar:/usr/lib/hbase/bin/../lib/lo
>>>> g4j-1.2.16.jar:/usr/lib/hbase/bin/../lib/netty-3.2.4.Final.jar:/usr/lib/hbas
>>>> e/bin/../lib/protobuf-java-2.3.0.jar:/usr/lib/hbase/bin/../lib/servlet-api-2
>>>> .5-6.1.14.jar:/usr/lib/hbase/bin/../lib/servlet-api-2.5.jar:/usr/lib/hbase/b
>>>> in/../lib/slf4j-api-1.5.8.jar:/usr/lib/hbase/bin/../lib/slf4j-log4j12-1.5.8.
>>>> jar:/usr/lib/hbase/bin/../lib/snappy-java-1.0.3.2.jar:/usr/lib/hbase/bin/../
>>>> lib/stax-api-1.0.1.jar:/usr/lib/hbase/bin/../lib/thrift-0.2.0.jar:/usr/lib/h
>>>> base/bin/../lib/velocity-1.5.jar:/usr/lib/hbase/bin/../lib/xmlenc-0.52.jar:/
>>>> usr/lib/hbase/bin/../lib/zookeeper.jar:/etc/zookeeper:/etc/hadoop-0.20/conf:
>>>> /usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u4-ant.jar:/usr/lib/hadoop-0.20/hadoo
>>>> p-0.20.2-cdh3u4-tools.jar:/usr/lib/hadoop-0.20/hadoop-tools.jar:/usr/lib/had
>>>> oop-0.20/
>>>> 
>>>> hadoop-examples-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/hadoop-ant-0.20.2-cdh
>>>> 3u4.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u4-examples.jar:/usr/lib/hado
>>>> op-0.20/hadoop-ant.jar:/usr/lib/hadoop-0.20/hadoop-core-0.20.2-cdh3u4.jar:/u
>>>> sr/lib/hadoop-0.20/hadoop-core.jar:/usr/lib/hadoop-0.20/hadoop-tools-0.20.2-
>>>> cdh3u4.jar:/usr/lib/hadoop-0.20/hadoop-examples.jar:/usr/lib/hadoop-0.20/had
>>>> oop-0.20.2-cdh3u4-core.jar:/usr/lib/hadoop-0.20/hadoop-test-0.20.2-cdh3u4.ja
>>>> r:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u4-test.jar:/usr/lib/hadoop-0.20/ha
>>>> doop-test.jar:/usr/lib/hadoop-0.20/lib/jetty-6.1.26.cloudera.1.jar:/usr/lib/
>>>> hadoop-0.20/lib/jets3t-0.6.1.jar:/usr/lib/hadoop-0.20/lib/junit-4.5.jar:/usr
>>>> /lib/hadoop-0.20/lib/commons-daemon-1.0.1.jar:/usr/lib/hadoop-0.20/lib/slf4j
>>>> -api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/commons-codec-1.4.jar:/usr/lib/hadoo
>>>> p-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/jasper-compiler-5.5.12.
>>>> jar:/usr/lib/hadoop-0.20/lib/guava-r09-jarjar.jar:/usr/lib/hadoop-0.20/lib/j
>>>> ackson-ma
>>>> 
>>>> pper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/commons-logging-1.0.4.jar:/usr/l
>>>> ib/hadoop-0.20/lib/ant-contrib-1.0b3.jar:/usr/lib/hadoop-0.20/lib/commons-la
>>>> ng-2.4.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/j
>>>> etty-util-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/commons-httpclient-
>>>> 3.1.jar:/usr/lib/hadoop-0.20/lib/jsch-0.1.42.jar:/usr/lib/hadoop-0.20/lib/sl
>>>> f4j-log4j12-1.4.3.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-20081211.jar:
>>>> /usr/lib/hadoop-0.20/lib/jasper-runtime-5.5.12.jar:/usr/lib/hadoop-0.20/lib/
>>>> servlet-api-2.5-6.1.14.jar:/usr/lib/hadoop-0.20/lib/jetty-servlet-tester-6.1
>>>> .26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/aspectjtools-1.6.5.jar:/usr/lib/
>>>> hadoop-0.20/lib/xmlenc-0.52.jar:/usr/lib/hadoop-0.20/lib/hadoop-fairschedule
>>>> r-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/usr
>>>> /lib/hadoop-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/commons-
>>>> el-1.0.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-1.0.4.jar:/usr/lib/h
>>>> adoop-0.2
>>>> 
>>>> 0/lib/commons-net-3.1.jar:/usr/lib/hadoop-0.20/lib/commons-cli-1.2.jar:/usr/
>>>> lib/hadoop-0.20/lib/aspectjrt-1.6.5.jar:/usr/lib/hadoop-0.20/lib/core-3.1.1.
>>>> jar:/usr/lib/hadoop-0.20/lib/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/or
>>>> o-2.0.8.jar:/usr/lib/zookeeper/zookeeper.jar:/usr/lib/zookeeper/zookeeper-3.
>>>> 3.5-cdh3u4.jar:/usr/lib/zookeeper/lib/log4j-1.2.15.jar:/usr/lib/zookeeper/li
>>>> b/jline-0.9.94.jar::/usr/lib/hadoop-0.20/conf:/usr/lib/hadoop-0.20/hadoop-co
>>>> re-0.20.2-cdh3u4.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/l
>>>> ib/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-lang-2.4.jar:/usr/lib/ha
>>>> doop-0.20/lib/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-log
>>>> ging-api-
>>>> 
>>>> 1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-net-3.1.jar:/usr/lib/hadoop-0.20/
>>>> lib/core-3.1.1.jar:/usr/lib/hadoop-0.20/lib/guava-r09-jarjar.jar:/usr/lib/ha
>>>> doop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/li
>>>> b/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/u
>>>> sr/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.j
>>>> ar:/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.c
>>>> loudera.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/li
>>>> b/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.jar12/05/12 14:42:14 INFO zookeeper.ZooKeeper: Client
>>>> environment:java.library.path=/usr/lib/hadoop-0.20/lib/native/Linux-amd64-64
>>>> :/usr/lib/hbase/bin/../lib/native/Linux-amd64-6412/05/12 14:42:14 INFO
>>>> zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp12/05/12 14:42:14
>>>> INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>12/05/12
>>>> 14:42:14 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux12/05/12
>>>> 14:42:14 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd6412/05/12
>>>> 14:42:14 INFO zookeeper.ZooKeeper: Client
>>>> environment:os.version=2.6.35-22-server12/05/12 14:42:14 INFO
>>>> zookeeper.ZooKeeper: Client environment:user.name=dalia12/05/12 14:42:14
>>>> INFO zookeeper.ZooKeeper: Client environment:user.home=/home/dalia12/05/12
>>>> 14:42:14 INFO zookeeper.ZooKeeper: Client environment:user.dir=/home/dalia12
>>>>  /05/12 14:42:14 INFO zookeeper.ZooKeeper: Initiating client connection,
>>>> connectString=localhost:2181 sessionTimeout=180000
>>>> watcher=regionserver:6002012/05/12 14:42:14 INFO zookeeper.ClientCnxn:
>>>> Opening socket connection to server localhost/0:0:0:0:0:0:0:1:218112/05/12
>>>> 14:42:14 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected
>>>> error, closing socket connection and attempting
>>>> reconnectjava.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.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:14 INFO zookeeper.ClientCnxn: Opening socket connection to server
>>>> localhost/127.0.0.1:218112/05/12 14:42:14 WARN zookeeper.ClientCnxn: Session
>>>> 0x0 for server null, unexpected error, closing socket connection and
>>>> attempting reconnectjava.net.ConnectException: Connection refused   at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native
>>>>   Method)   at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:15 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 0 time(s).12/05/12 14:42:16 INFO
>>>> zookeeper.ClientCnxn: Opening socket connection to server localhost/0:0:0:0:
>>>> 0:0:0:1:218112/05/12 14:42:16 WARN zookeeper.ClientCnxn: Session 0x0 for
>>>> server null, unexpected error, closing socket connection and attempting
>>>> reconnectjava.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.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:16 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 1 time(s).12/05/12 14:42:16 INFO
>>>> zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.
>>>> 1:218112/05/12 14:
>>>>  42:16 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected
>>>> error, closing socket connection and attempting
>>>> reconnectjava.net.ConnectException: Connection refused      at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)    at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:17 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 2 time(s).12/05/12 14:42:18 INFO
>>>> ipc.Client: Retrying connect to server: namenode/10.0.2.3:8020. Already
>>>> tried 3 time(s).12/05/12 14:42:18 INFO zookeeper.ClientCnxn: Opening socket
>>>> connection to server localhost/0:0:0:0:0:0:0:1:218112/05/12 14:42:18 WARN
>>>> zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing
>>>> socket connection and attempting reconnectjava.net.ConnectException:
>>>> Connection refused  at sun.nio.ch.SocketChannelImpl.checkConnect(Native
>>>> Method)     at sun.nio.ch.SocketChannelImpl.fin
>>>>  ishConnect(SocketChannelImpl.java:567)     at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:18 INFO zookeeper.ClientCnxn: Opening socket connection to server
>>>> localhost/127.0.0.1:218112/05/12 14:42:18 WARN zookeeper.ClientCnxn: Session
>>>> 0x0 for server null, unexpected error, closing socket connection and
>>>> attempting reconnectjava.net.ConnectException: Connection refused   at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)    at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:19 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 4 time(s).12/05/12 14:42:19 INFO
>>>> zookeeper.ClientCnxn: Opening socket connection to server localhost/0:0:0:0:
>>>> 0:0:0:1:218112/05/12 14:42:19 WARN zookeeper.ClientCnxn: Session 0x0 for
>>>> server null, unexpected error, closing socket connection and attempting
>>>> reconnectjava.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.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:20 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 5 time(s).12/05/12 14:42:20 INFO
>>>> zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.
>>>> 1:218112/05/12 14:42:20 WARN zookeeper.ClientCnxn: Session 0x0 for server
>>>> null, unexpected error, closing socket connection and attempting
>>>> reconnectjava.net.ConnectException: Connection refused      at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)    at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:21 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 6 time(s).12/05/12 14:42:22 INFO
>>>> zookeeper.ClientCnxn: Openin
>>>>  g socket connection to server localhost/0:0:0:0:0:0:0:1:218112/05/12 14:42:
>>>> 22 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error,
>>>> closing socket connection and attempting reconnectjava.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.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:22 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 7 time(s).12/05/12 14:42:22 INFO
>>>> zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.
>>>> 1:218112/05/12 14:42:22 WARN zookeeper.ClientCnxn: Session 0x0 for server
>>>> null, unexpected error, closing socket connection and attempting
>>>> reconnectjava.net.ConnectException: Connection refused      at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)    at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org
>>>>  .apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:23 INFO ipc.Client: Retrying connect to server:
>>>> namenode/10.0.2.3:8020. Already tried 8 time(s).12/05/12 14:42:24 INFO
>>>> ipc.Client: Retrying connect to server: namenode/10.0.2.3:8020. Already
>>>> tried 9 time(s).Exception in thread "main" java.net.ConnectException: Call
>>>> to namenode/10.0.2.3:8020 failed on connection exception:
>>>> java.net.ConnectException: Connection refused       at
>>>> org.apache.hadoop.ipc.Client.wrapException(Client.java:1134)        at
>>>> org.apache.hadoop.ipc.Client.call(Client.java:1110) at
>>>> org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)      at
>>>> $Proxy5.getProtocolVersion(Unknown Source)  at
>>>> org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)    at
>>>> org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)    at
>>>> org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:129)      at
>>>> org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:255) at
>>>> org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:217) at
>>>> org.apache.hadoop
>>>>  .hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89)      at
>>>> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1563)      at
>>>> org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:67)      at
>>>> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1597)     at
>>>> org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1579)     at
>>>> org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)    at
>>>> org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)    at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.startRegionServer(HRegion
>>>> Server.java:2785)   at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.startRegionServer(HRegion
>>>> Server.java:2768)   at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionS
>>>> erverCommandLine.java:61)   at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionSer
>>>> verCommandLine.java:75)     at org.apache.hadoop.util.ToolRunner.run(ToolRunner.
>>>> java:65)    at
>>>> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(Serve
>>>>  rCommandLine.java:76)      at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2
>>>> 829)Caused by: java.net.ConnectException: Connection refused        at
>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)    at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:2
>>>> 06) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:429)    at
>>>> org.apache.hadoop.net.NetUtils.connect(NetUtils.java:394)   at
>>>> org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:425)
>>>> at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:532)
>>>> at org.apache.hadoop.ipc.Client$Connection.access$2300(Client.java:210)     at
>>>> org.apache.hadoop.ipc.Client.getConnection(Client.java:1247)        at
>>>> org.apache.hadoop.ipc.Client.call(Client.java:1078) ... 21 more12/05/12
>>>> 14:42:24 INFO zookeeper.ClientCnxn: Opening socket connection to server
>>>> localhost/0:0:0:0:0:0:0:1:218112/05/12 14:42:24 WARN zookeeper
>>>>  .ClientCnxn: Session 0x0 for server null, unexpected error, closing socket
>>>> connection and attempting reconnectjava.net.ConnectException: Connection
>>>> refused     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)     at
>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)      at
>>>> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)12/05/12
>>>> 14:42:25 INFO zookeeper.ClientCnxn: Opening socket connection to server
>>>> localhost/127.0.0.1:218112/05/12 14:42:25 INFO zookeeper.ZooKeeper: Session:
>>>> 0x0 closed12/05/12 14:42:25 INFO zookeeper.ClientCnxn: EventThread shut
>>>> down12/05/12 14:42:25 INFO ipc.HBaseServer: Stopping server on 6002012/05/12
>>>> 14:42:25 FATAL regionserver.HRegionServer: ABORTING region server
>>>> serverName=datanode2,60020,1336826533870, load=(requests=0, regions=0,
>>>> usedHeap=0, maxHeap=0): Initialization of RS failed.  Hence aborting RS.org.
>>>> apache.hadoop.hbase.ZooKeeperConnectionException: HBase is able to connect
>>>> to ZooKeeper but the connection closes im
>>>>  mediately. 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.  at
>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.j
>>>> ava:160)    at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegi
>>>> onServer.java:489)  at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.initialize(HRegionServer.
>>>> java:465)   at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:56
>>>> 4)  at java.lang.Thread.run(Thread.java:662)Caused by:
>>>> org.apache.zookeeper.KeeperException$ConnectionLossException:
>>>> KeeperErrorCode = ConnectionLoss for /hbase at
>>>> org.apache.zookeeper.KeeperException.create(KeeperException.java:90)        at
>>>> org.apache.zookeeper.KeeperException.create(KeeperException.java:42)        at
>>>> org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:815)   at org.apac
>>>>  he.zookeeper.ZooKeeper.exists(ZooKeeper.java:843)  at
>>>> org.apache.hadoop.hbase.zookeeper.ZKUtil.createAndFailSilent(ZKUtil.java:930
>>>> )   at
>>>> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.j
>>>> ava:138)    ... 4 more12/05/12 14:42:25 INFO regionserver.HRegionServer:
>>>> STOPPED: Initialization of RS failed.  Hence aborting RS.Exception in thread
>>>> "regionserver60020" java.lang.NullPointerException  at
>>>> org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:63
>>>> 3)  at java.lang.Thread.run(Thread.java:662)
>>>> So any help???
>>>>> Date: Sat, 12 May 2012 20:22:03 +0530
>>>>> Subject: Re: Important "Undefined Error"
>>>>> From: dwivedishashwat@gmail.com
>>>>> To: user@hbase.apache.org
>>>>> 
>>>>> you can turn off hadoop safe mode uisng *hadoop dfsadmin -safemode
>>>>> leave*
>>>>> 
>>>>> On Sat, May 12, 2012 at 8:15 PM, shashwat shriparv <
>>>>> dwivedishashwat@gmail.com> wrote:
>>>>> 
>>>>>> First thing copy core-site.xml, dfs xml from hadoop conf directory
>>>>>> to hbase conf dirctory. and turn of hadoop save mode and then try...
>>>>>> 
>>>>>> 
>>>>>> On Sat, May 12, 2012 at 6:27 PM, Harsh J <harsh@cloudera.com> wrote:
>>>>>> 
>>>>>>> Dalia,
>>>>>>> 
>>>>>>> Is your NameNode running fine? The issue is that HBase Master has
>>>>>>> been asked to talk to HDFS, but it can't connect to the HDFS
>>>>>>> NameNode. Does "hadoop dfs -touchz foobar" pass or fail with similar
>>>> retry issues?
>>>>>>> 
>>>>>>> What's your fs.default.name's value in Hadoop's core-site.xml? And
>>>>>>> whats the output of that fixed host command I'd posted before?
>>>>>>> 
>>>>>>> On Sat, May 12, 2012 at 6:06 PM, Dalia Sobhy
>>>>>>> <dalia.mohsobhy@hotmail.com>
>>>>>>> wrote:
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Dear Harsh
>>>>>>>> When I run $hbase master start
>>>>>>>> I found the following errors:12/05/12 08:32:42 INFO
>>>>>>> ipc.HBaseRpcMetrics: Initializing RPC Metrics with
>>>>>>> hostName=HMaster,
>>>>>>> port=6000012/05/12 08:32:42 INFO security.UserGroupInformation:
>>>>>>> JAAS Configuration already set up for Hadoop, not
>>>>>>> re-installing.12/05/12
>>>>>>> 08:32:42 INFO ipc.HBaseServer: IPC Server Responder:
>>>>>>> starting12/05/12
>>>>>>> 08:32:42 INFO ipc.HBaseServer: IPC Server listener on 60000:
>>>>>>> starting12/05/12 08:32:42 INFO ipc.HBaseServer: IPC Server handler
>>>>>>> 0 on
>>>>>>> 60000: starting12/05/12 08:32:42 INFO ipc.HBaseServer: IPC Server
>>>>>>> handler 1 on 60000: starting12/05/12 08:32:42 INFO ipc.HBaseServer:
>>>>>>> IPC Server handler 2 on 60000: starting12/05/12 08:32:42 INFO
>>>>>>> ipc.HBaseServer: IPC Server handler 3 on 60000: starting12/05/12 08:32:
>>>> 42 INFO ipc.HBaseServer:
>>>>>>> IPC Server handler 5 on 60000: starting12/05/12 08:32:42 INFO
>>>>>>> ipc.HBaseServer: IPC Server handler 4 on 60000: starting12/05/12
>>>>>>> 08:32:42 INFO ipc.HBaseServer: IPC Server handler 7 on 60000:
>>>>>>> starting12/05/12
>>>>>>> 08:32:42 INFO ipc.HBaseServer: IPC Serv
>>>>>>>>  er handler 6 on 60000: starting12/05/12 08:32:42 INFO
>>>> ipc.HBaseServer:
>>>>>>> IPC Server handler 8 on 60000: starting12/05/12 08:32:42 INFO
>>>>>>> ipc.HBaseServer: IPC Server handler 9 on 60000: starting12/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:zookeeper.version=3.3.5-cdh3u4--1, built on 05/07/2012
>>>>>>> 21:12
>>>>>>> GMT12/05/12 08:32:42 INFO zookeeper.ZooKeeper: Client environment:
>>>>>>> host.name=namenode12/05/12 08:32:42 INFO zookeeper.ZooKeeper:
>>>>>>> Client
>>>>>>> environment:java.version=1.6.0_3012/05/12 08:32:42 INFO
>>>>>>> zookeeper.ZooKeeper: Client environment:java.vendor=Sun
>>>>>>> Microsystems
>>>>>>> Inc.12/05/12 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:java.home=/usr/lib/jvm/java-6-sun-1.6.0.30/jre12/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:java.class.path=/usr/lib/hbase/bin/../conf:/usr/lib/jvm
>>>>>>> /java-6-sun/lib/tools.jar:/usr/lib/hbase/bin/..:/usr/lib/hbase/bin/
>>>>>>> ../hbase-0.90.4-cdh3u3.jar:/usr/lib/hbase/bin/../hbase-0.90.4-cdh3u
>>>>>>> 3-tests.jar:/usr/lib/hbase/bin/../lib/activation-1.1.jar:/u
>>>>>>>> 
>>>>>>> 
>>>>>>> sr/lib/hbase/bin/../lib/asm-3.1.jar:/usr/lib/hbase/bin/../lib/avro-
>>>>>>> 1.5.4.jar:/usr/lib/hbase/bin/../lib/avro-ipc-1.5.4.jar:/usr/lib/hba
>>>>>>> se/bin/../lib/commons-cli-1.2.jar:/usr/lib/hbase/bin/../lib/commons
>>>>>>> -codec-1.4.jar:/usr/lib/hbase/bin/../lib/commons-el-1.0.jar:/usr/li
>>>>>>> b/hbase/bin/../lib/commons-httpclient-3.1.jar:/usr/lib/hbase/bin/..
>>>>>>> /lib/commons-lang-2.5.jar:/usr/lib/hbase/bin/../lib/commons-logging
>>>>>>> -1.1.1.jar:/usr/lib/hbase/bin/../lib/commons-net-1.4.1.jar:/usr/lib
>>>>>>> /hbase/bin/../lib/core-3.1.1.jar:/usr/lib/hbase/bin/../lib/guava-r0
>>>>>>> 6.jar:/usr/lib/hbase/bin/../lib/guava-r09-jarjar.jar:/usr/lib/hbase
>>>>>>> /bin/../lib/hadoop-core.jar:/usr/lib/hbase/bin/../lib/jackson-core-
>>>>>>> asl-1.5.2.jar:/usr/lib/hbase/bin/../lib/jackson-jaxrs-1.5.5.jar:/us
>>>>>>> r/lib/hbase/bin/../lib/jackson-mapper-asl-1.5.2.jar:/usr/lib/hbase/
>>>>>>> bin/../lib/jackson-xc-1.5.5.jar:/usr/lib/hbase/bin/../lib/jamon-run
>>>>>>> time-2.3.1.jar:/usr/lib/hbase/bin/../lib/jasper-compiler-5.5.23.jar
>>>>>>> :/usr/lib/hbase/bin/../lib/jasper-runtime-5.5.23.jar:/
>>>>  usr/l
>>>>>>>> 
>>>>>>> 
>>>>>>> ib/hbase/bin/../lib/jaxb-api-2.1.jar:/usr/lib/hbase/bin/../lib/jaxb
>>>>>>> -impl-2.1.12.jar:/usr/lib/hbase/bin/../lib/jersey-core-1.4.jar:/usr
>>>>>>> /lib/hbase/bin/../lib/jersey-json-1.4.jar:/usr/lib/hbase/bin/../lib
>>>>>>> /jersey-server-1.4.jar:/usr/lib/hbase/bin/../lib/jettison-1.1.jar:/
>>>>>>> usr/lib/hbase/bin/../lib/jetty-6.1.26.jar:/usr/lib/hbase/bin/../lib
>>>>>>> /jetty-util-6.1.26.jar:/usr/lib/hbase/bin/../lib/jruby-complete-1.6
>>>>>>> .0.jar:/usr/lib/hbase/bin/../lib/jsp-2.1-6.1.14.jar:/usr/lib/hbase/
>>>>>>> bin/../lib/jsp-api-2.1-6.1.14.jar:/usr/lib/hbase/bin/../lib/jsp-api
>>>>>>> -2.1.jar:/usr/lib/hbase/bin/../lib/jsr311-api-1.1.1.jar:/usr/lib/hb
>>>>>>> ase/bin/../lib/log4j-1.2.16.jar:/usr/lib/hbase/bin/../lib/netty-3.2
>>>>>>> .4.Final.jar:/usr/lib/hbase/bin/../lib/protobuf-java-2.3.0.jar:/usr
>>>>>>> /lib/hbase/bin/../lib/servlet-api-2.5-6.1.14.jar:/usr/lib/hbase/bin
>>>>>>> /../lib/servlet-api-2.5.jar:/usr/lib/hbase/bin/../lib/slf4j-api-1.5
>>>>>>> .8.jar:/usr/lib/hbase/bin/../lib/slf4j-log4j12-1.5.8.jar:/usr/lib/h
>>>>>>> base/bin/../lib/snappy-java-1.0.3.2.jar:/usr/lib/hbase
>>>>  /bin/
>>>>>>>> 
>>>>>>> 
>>>>>>> ../lib/stax-api-1.0.1.jar:/usr/lib/hbase/bin/../lib/thrift-0.2.0.ja
>>>>>>> r:/usr/lib/hbase/bin/../lib/velocity-1.5.jar:/usr/lib/hbase/bin/../
>>>>>>> lib/xmlenc-0.52.jar:/usr/lib/hbase/bin/../lib/zookeeper.jar:/etc/zo
>>>>>>> okeeper:/etc/hadoop-0.20/conf:/usr/lib/hadoop-0.20/hadoop-examples.
>>>>>>> jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-core.jar:/usr/lib/had
>>>>>>> oop-0.20/hadoop-0.20.2-cdh3u3-ant.jar:/usr/lib/hadoop-0.20/hadoop-c
>>>>>>> ore-0.20.2-cdh3u3.jar:/usr/lib/hadoop-0.20/hadoop-test.jar:/usr/lib
>>>>>>> /hadoop-0.20/hadoop-ant-0.20.2-cdh3u3.jar:/usr/lib/hadoop-0.20/hado
>>>>>>> op-tools.jar:/usr/lib/hadoop-0.20/hadoop-tools-0.20.2-cdh3u3.jar:/u
>>>>>>> sr/lib/hadoop-0.20/hadoop-test-0.20.2-cdh3u3.jar:/usr/lib/hadoop-0.
>>>>>>> 20/hadoop-core.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-exampl
>>>>>>> es.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-test.jar:/usr/lib/
>>>>>>> hadoop-0.20/hadoop-ant.jar:/usr/lib/hadoop-0.20/hadoop-examples-0.2
>>>>>>> 0.2-cdh3u3.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-tools.jar:
>>>>>>> /usr/lib/hadoop-0.20/lib/jasper-runtime-5.5.12.jar:/us
>>>>  r/lib
>>>>>>>> 
>>>>>>> 
>>>>>>> /hadoop-0.20/lib/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/jacks
>>>>>>> on-mapper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jets3t-0.6.1.jar:/
>>>>>>> usr/lib/hadoop-0.20/lib/jetty-servlet-tester-6.1.26.cloudera.1.jar:
>>>>>>> /usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/usr/lib/hadoop
>>>>>>> -0.20/lib/oro-2.0.8.jar:/usr/lib/hadoop-0.20/lib/ant-contrib-1.0b3.
>>>>>>> jar:/usr/lib/hadoop-0.20/lib/commons-daemon-1.0.1.jar:/usr/lib/hado
>>>>>>> op-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/aspectjr
>>>>>>> t-1.6.5.jar:/usr/lib/hadoop-0.20/lib/commons-lang-2.4.jar:/usr/lib/
>>>>>>> hadoop-0.20/lib/junit-4.5.jar:/usr/lib/hadoop-0.20/lib/commons-code
>>>>>>> c-1.4.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-6.1.14.jar:/usr/
>>>>>>> lib/hadoop-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/jsch-
>>>>>>> 0.1.42.jar:/usr/lib/hadoop-0.20/lib/core-3.1.1.jar:/usr/lib/hadoop-
>>>>>>> 0.20/lib/jetty-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/commo
>>>>>>> ns-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.clo
>>>>>>> udera.1.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-2
>>>>  00812
>>>>>>>> 
>>>>>>> 
>>>>>>> 11.jar:/usr/lib/hadoop-0.20/lib/jasper-compiler-5.5.12.jar:/usr/lib
>>>>>>> /hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/commons-cli
>>>>>>> -1.2.jar:/usr/lib/hadoop-0.20/lib/commons-net-1.4.1.jar:/usr/lib/ha
>>>>>>> doop-0.20/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop-0.20/lib/s
>>>>>>> lf4j-api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/xmlenc-0.52.jar:/usr/li
>>>>>>> b/hadoop-0.20/lib/commons-logging-api-1.0.4.jar:/usr/lib/hadoop-0.2
>>>>>>> 0/lib/commons-el-1.0.jar:/usr/lib/hadoop-0.20/lib/slf4j-log4j12-1.4
>>>>>>> .3.jar:/usr/lib/hadoop-0.20/lib/aspectjtools-1.6.5.jar:/usr/lib/had
>>>>>>> oop-0.20/lib/guava-r09-jarjar.jar:/usr/lib/hadoop-0.20/lib/hadoop-f
>>>>>>> airscheduler-0.20.2-cdh3u3.jar:/usr/lib/zookeeper/zookeeper.jar:/us
>>>>>>> r/lib/zookeeper/zookeeper-3.3.5-cdh3u4.jar:/usr/lib/zookeeper/lib/l
>>>>>>> og4j-1.2.15.jar:/usr/lib/zookeeper/lib/jline-0.9.94.jar::/usr/lib/h
>>>>>>> adoop-0.20/conf:/usr/lib/hadoop-0.20/hadoop-core-0.20.2-cdh3u3.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/aspe
>>>>  ctjto
>>>>>>>> 
>>>>>>> 
>>>>>>> ols-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/com
>>>>>>> mons-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-lang-2.4.jar:/usr/lib/hadoop-0.20/lib/commons-logg
>>>>>>> ing-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-1.0.4.ja
>>>>>>> r:/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-r09-jarjar.jar
>>>>>>> :/usr/lib/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u3.jar:/u
>>>>>>> sr/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.clo
>>>>>>> udera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-servlet-tes
>>>>  ter-6
>>>>>>>> 
>>>>>>> 
>>>>>>> .1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.clo
>>>>>>> udera.1.jar:/usr/lib/hadoop-0.20/lib/jsch-0.1.42.jar:/usr/lib/hadoo
>>>>>>> p-0.20/lib/junit-4.5.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/us
>>>>>>> r/lib/hadoop-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/moc
>>>>>>> kito-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/l
>>>>>>> ib/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/h
>>>>>>> adoop-0.20/lib/xmlenc-0.52.jar12/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:java.library.path=/usr/lib/hadoop-0.20/lib/native/Linux
>>>>>>> -amd64-64:/usr/lib/hbase/bin/../lib/native/Linux-amd64-6412/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:java.io.tmpdir=/tmp12/05/12 08:32:42 INFO
>>>> zookeeper.ZooKeeper:
>>>>>>> Client environment:java.compiler=<NA>12/05/12 08:32:42 INFO
>>>>>>> zookeeper.ZooKeeper: Client environment:os.name=Linux12/05/12
>>>>>>> 08:32:42
>>>>>>>>  INFO zookeeper.ZooKeeper: Client
>>>>>>>> environment:os.arch=amd6412/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:os.version=2.6.35-22-server12/05/12 08:32:42 INFO
>>>>>>> zookeeper.ZooKeeper: Client environment:user.name=dalia12/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:user.home=/home/dalia12/05/12
>>>>>>> 08:32:42 INFO zookeeper.ZooKeeper: Client
>>>>>>> environment:user.dir=/home/dalia12/05/12 08:32:42 INFO
>>>> zookeeper.ZooKeeper:
>>>>>>> Initiating client connection, connectString=namenode:2181
>>>>>>> sessionTimeout=180000 watcher=master:6000012/05/12 08:32:42 INFO
>>>>>>> zookeeper.ClientCnxn: Opening socket connection to server namenode/
>>>>>>> 10.0.2.3:218112/05/12 08:32:42 INFO zookeeper.ClientCnxn: Socket
>>>>>>> connection established to namenode/10.0.2.3:2181, initiating
>>>>>>> session12/05/12 08:32:42 INFO zookeeper.ClientCnxn: Session
>>>>>>> establishment complete on server namenode/10.0.2.3:2181, sessionid
>>>>>>> = 0x13740bc4f70000c, negotiated timeout = 4000012/05/12 08:32:42
>>>>>>> INFO
>>>>>>> jvm.JvmMetrics: Initializing JVM Metrics with
>>>>>>>>  processName=Master, sessionId=namenode:6000012/05/12 08:32:42
>>>>>>>> INFO
>>>>>>> hbase.metrics: MetricsString added: revision12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: hdfsUser12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: hdfsDate12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: hdfsUrl12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: date12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: hdfsRevision12/05/12 08:32:42
>>>>>>> INFO
>>>>>>> hbase.metrics: MetricsString added: user12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: hdfsVersion12/05/12 08:32:42
>>>>>>> INFO
>>>>>>> hbase.metrics: MetricsString added: url12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: MetricsString added: version12/05/12 08:32:42 INFO
>>>>>>> hbase.metrics: new MBeanInfo12/05/12 08:32:42 INFO hbase.metrics:
>>>>>>> new
>>>>>>> MBeanInfo12/05/12 08:32:42 INFO metrics.MasterMetrics:
>>>>>>> Initialized12/05/12
>>>>>>> 08:32:42 INFO master.ActiveMasterManager:
>>>>>>> Master=namenode:6000012/05/12
>>>>>>> 08:32:44 INFO ipc.Client: Retrying connect to serve
>>>>>>>>  r: namenode/10.0.2.3:8020. Already tried 0 time(s).12/05/12
>>>>>>>> 08:32:45
>>>>>>> INFO ipc.Client: Retrying connect to server: namenode/10.0.2.3:8020.
>>>>>>> Already tried 1 time(s).12/05/12 08:32:46 INFO ipc.Client: Retrying
>>>>>>> connect to server: namenode/10.0.2.3:8020. Already tried 2
>>>>>>> time(s).12/05/12
>>>>>>> 08:32:47 INFO ipc.Client: Retrying connect to server: namenode/
>>>>>>> 10.0.2.3:8020. Already tried 3 time(s).12/05/12 08:32:48 INFO
>>>>>>> ipc.Client: Retrying connect to server: namenode/10.0.2.3:8020.
>>>>>>> Already tried 4 time(s).12/05/12 08:32:49 INFO ipc.Client: Retrying
>>>>>>> connect to
>>>>>>> server: namenode/10.0.2.3:8020. Already tried 5 time(s).12/05/12
>>>>>>> 08:32:50 INFO ipc.Client: Retrying connect to server: namenode/
>>>>>>> 10.0.2.3:8020. Already tried 6 time(s).12/05/12 08:32:51 INFO
>>>>>>> ipc.Client: Retrying connect to server: namenode/10.0.2.3:8020.
>>>>>>> Already tried 7 time(s).12/05/12 08:32:52 INFO ipc.Client: Retrying
>>>>>>> connect to
>>>>>>> server: namenode/10.0.2.3:8020. Already tried 8 time(s).12/05/12
>>>>>>> 08:32:53 INFO ipc.Client: Retrying connect to ser
>>>>>>>>  ver: namenode/10.0.2.3:8020. Already tried 9 time(s).12/05/12
>>>>>>> 08:32:53 FATAL master.HMaster: Unhandled exception. Starting
>>>>>>> shutdown.java.net.ConnectException: Call to
>>>> namenode/10.0.2.3:8020failed on connection exception:
>>>> java.net.ConnectException: Connection
>>>>>>> refused    at
>>>> org.apache.hadoop.ipc.Client.wrapException(Client.java:1134)
>>>>>>> at org.apache.hadoop.ipc.Client.call(Client.java:1110)  at
>>>>>>> org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)       at
>>>>>>> $Proxy6.getProtocolVersion(Unknown Source)   at
>>>>>>> org.apache.hadoop.ipc.RPC.getProxy(RPC.java:398)     at
>>>>>>> org.apache.hadoop.ipc.RPC.getProxy(RPC.java:384)     at
>>>>>>> org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:123)
>>>>>>>   at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:246)
>>>>>>> at
>>>>>>> org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:208)  at
>>>>>>> 
>>>> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSyste
>>>> m.java:89)
>>>>>>>       at
>>>>>>> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1563)
>>>>>>>   at org.apache.hadoop.fs.FileSystem.acc
>>>>>>>>  ess$200(FileSystem.java:67)    at
>>>>>>> org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:1597)
>>>>>>>  at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1579)
>>>> at
>>>>>>> org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)     at
>>>>>>> org.apache.hadoop.fs.Path.getFileSystem(Path.java:183)       at
>>>>>>> org.apache.hadoop.hbase.util.FSUtils.getRootDir(FSUtils.java:364)    at
>>>>>>> 
>>>> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java
>>>> :86)
>>>>>>>     at
>>>>>>> 
>>>> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:360
>>>> )
>>>>>>>        at
>>>>>>> org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:293)Caused by:
>>>>>>> java.net.ConnectException: Connection refused at
>>>>>>> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)     at
>>>>>>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
>>>>>>>   at
>>>>>>> 
>>>> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:2
>>>> 06)
>>>>>>>      at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:408)    at
>>>>>>> 
>>>> org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:425)
>>>>>>>   a
>>>>>>>>  t
>>>>>>> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:
>>>>>>> 532)  at
>>>>>>> org.apache.hadoop.ipc.Client$Connection.access$2300(Client.java:210
>>>>>>> ) at
>>>>>>> org.apache.hadoop.ipc.Client.getConnection(Client.java:1247) at
>>>>>>> org.apache.hadoop.ipc.Client.call(Client.java:1078)  ... 18
>>>>>>> more12/05/12
>>>>>>> 08:32:53 INFO master.HMaster: Aborting12/05/12 08:32:53 DEBUG
>>>>>>> master.HMaster: Stopping service threads12/05/12 08:32:53 INFO
>>>>>>> ipc.HBaseServer: Stopping server on 6000012/05/12 08:32:53 INFO
>>>>>>> ipc.HBaseServer: IPC Server handler 5 on 60000: exiting12/05/12
>>>>>>> 08:32:53 INFO ipc.HBaseServer: Stopping IPC Server listener on
>>>>>>> 6000012/05/12
>>>>>>> 08:32:53 INFO ipc.HBaseServer: IPC Server handler 1 on 60000:
>>>>>>> exiting12/05/12 08:32:53 INFO ipc.HBaseServer: IPC Server handler 0
>>>>>>> on
>>>>>>> 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer: IPC Server
>>>>>>> handler 3 on 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer:
>>>>>>> IPC Server handler
>>>>>>> 7 on 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer: IPC
>>>>>>> Server handler 9 on 60000: exiting1
>>>>>>>>  2/05/12 08:32:53 INFO ipc.HBaseServer: IPC Server handler 6 on
>>>> 60000:
>>>>>>> exiting12/05/12 08:32:53 INFO ipc.HBaseServer: IPC Server handler 4
>>>>>>> on
>>>>>>> 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer: IPC Server
>>>>>>> handler 2 on 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer:
>>>>>>> IPC Server handler
>>>>>>> 8 on 60000: exiting12/05/12 08:32:53 INFO ipc.HBaseServer: Stopping
>>>>>>> IPC Server Responder12/05/12 08:32:53 INFO zookeeper.ZooKeeper:
>>>> Session:
>>>>>>> 0x13740bc4f70000c closed12/05/12 08:32:53 INFO zookeeper.ClientCnxn:
>>>>>>> EventThread shut down12/05/12 08:32:53 INFO master.HMaster: HMaster
>>>>>>> main thread exiting> From: harsh@cloudera.com
>>>>>>>>> Date: Sat, 12 May 2012 17:28:29 +0530
>>>>>>>>> Subject: Re: Important "Undefined Error"
>>>>>>>>> To: user@hbase.apache.org
>>>>>>>>> 
>>>>>>>>> Hi Dalia,
>>>>>>>>> 
>>>>>>>>> On Sat, May 12, 2012 at 5:14 PM, Dalia Sobhy <
>>>>>>> dalia.mohsobhy@hotmail.com> wrote:
>>>>>>>>>> 
>>>>>>>>>> Dear all,
>>>>>>>>>> I have first a problem with Hbase I am trying to install it on
>>>>>>>>>> a
>>>>>>> distributed/multinode cluster..
>>>>>>>>>> I am using the cloudera
>>>>>>> https://ccp.cloudera.com/display/CDH4B2/HBase+Installation#HBaseIns
>>>>>>> tallation-StartingtheHBaseMaster
>>>>>>>>>> But when I write this command
>>>>>>>>>> Creating the /hbase Directory in HDFS $sudo -u hdfs hadoop fs
>>>>>>>>>> -mkdir
>>>>>>> /hbase
>>>>>>>>>> I get the following error:12/05/12 07:20:42 INFO
>>>>>>> security.UserGroupInformation: JAAS Configuration already set up
>>>>>>> for Hadoop, not re-installing.
>>>>>>>>> 
>>>>>>>>> This is not an error and you shouldn't be worried. It is rather
>>>>>>>>> a noisy INFO log that should be fixed (as a DEBUG level instead)
>>>>>>>>> in subsequent releases (Are you using CDH3 or CDH4? IIRC only
>>>>>>>>> CDH3u3 printed these, not in anything above that.)
>>>>>>>>> 
>>>>>>>>>> 2. Another Aspect is when I start the hbase master it closes
>>>>>>> automatically after a while.
>>>>>>>>> 
>>>>>>>>> Could you post us your HMaster start->crash log? You can use a
>>>>>>>>> service like pastebin.com to send us the output.
>>>>>>>>> 
>>>>>>>>>> 3. Also this command is not working$host -v -t A
>>>> `namenode`namenode:
>>>>>>> command not found
>>>>>>>>> 
>>>>>>>>> The right command is perhaps just:
>>>>>>>>> 
>>>>>>>>> $host -v -t A `hostname`
>>>>>>>>> 
>>>>>>>>> --
>>>>>>>>> Harsh J
>>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> --
>>>>>>> Harsh J
>>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> 
>>>>>> 
>>>>>> ∞
>>>>>> Shashwat Shriparv
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> 
>>>>> 
>>>>> --
>>>>> 
>>>>> 
>>>>> ∞
>>>>> Shashwat Shriparv
>>>> 
>>>> 
>>> 
>> 
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