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From Dalia Sobhy <dalia.mohso...@hotmail.com>
Subject RE: Important "Undefined Error"
Date Mon, 14 May 2012 10:20:18 GMT


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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