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From Dalia Sobhy <dalia.mohso...@hotmail.com>
Subject RE: Important "Undefined Error"
Date Sat, 12 May 2012 17:17:51 GMT

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.java:117)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegionServer.java:489)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initialize(HRegionServer.java:465)	at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:564)	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-sun/lib/tools.jar:/usr/lib/hbase/bin/..:/usr/lib/hbase/bin/../hbase-0.90.6-cdh3u4.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.jar:/usr/lib/hbase/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/lib/hbase/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/lib/hbase/bin/../lib/core-3.1.1.jar:/usr/lib/hbase/bin/../lib/guava-r06.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:/usr/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-runtime-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/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/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-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/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/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/hbase/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/hadoop-0.20.2-cdh3u4-tools.jar:/usr/lib/hadoop-0.20/hadoop-tools.jar:/usr/lib/hadoop-0.20/
 hadoop-examples-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/hadoop-ant-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u4-examples.jar:/usr/lib/hadoop-0.20/hadoop-ant.jar:/usr/lib/hadoop-0.20/hadoop-core-0.20.2-cdh3u4.jar:/usr/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/hadoop-0.20.2-cdh3u4-core.jar:/usr/lib/hadoop-0.20/hadoop-test-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u4-test.jar:/usr/lib/hadoop-0.20/hadoop-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/hadoop-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/jackson-ma
 pper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/ant-contrib-1.0b3.jar:/usr/lib/hadoop-0.20/lib/commons-lang-2.4.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/jetty-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/slf4j-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-fairscheduler-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/hadoop-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/oro-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/lib/jline-0.9.94.jar::/usr/lib/hadoop-0.20/conf:/usr/lib/hadoop-0.20/hadoop-core-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/lib/commons-codec-1.4.jar:/usr/lib/hadoop-0.20/lib/commons-daemon-1.0.1.jar:/usr/lib/hadoop-0.20/lib/commons-el-1.0.jar:/usr/lib/hadoop-0.20/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop-0.20/lib/commons-lang-2.4.jar:/usr/lib/hadoop-0.20/lib/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-
 1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-net-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/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u4.jar:/usr/lib/hadoop-0.20/lib/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jackson-mapper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jasper-compiler-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jasper-runtime-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jets3t-0.6.1.jar:/usr/lib/hadoop-0.20/lib/jetty-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-servlet-tester-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jsch-0.1.42.jar:/usr/lib/hadoop-0.20/lib/junit-4.5.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/oro-2.0.8.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-20081211.jar:/usr/lib/hadoop-
 0.20/lib/servlet-api-2.5-6.1.14.jar:/usr/lib/hadoop-0.20/lib/slf4j-api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/slf4j-log4j12-1.4.3.jar:/usr/lib/hadoop-0.20/lib/xmlenc-0.52.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$Cache.get(FileSystem.java:1579)	at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)	at org.apache.hadoop.hbase.regionserver.HRegionServer.startRegionServer(HRegionServer.java:2785)
at org.apache.hadoop.hbase.regionserver.HRegionServer.startRegionServer(HRegionServer.java:2768)
at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:61)
at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:75)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)	at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(Serve
 rCommandLine.java:76)	at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2829)Caused
by: java.net.ConnectException: Connection refused	at sun.nio.ch.SocketChannelImpl.checkConnect(Native
Method)	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)	at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:429)	at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:394)
at org.apache.hadoop.ipc.Client$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.java:160)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegionServer.java:489)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initialize(HRegionServer.java:465)	at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:564)	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.java: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:633)	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-cdh3u3-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/hbase/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/lib/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-r06.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:/usr/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-runtime-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/hbase/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/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/hbase/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-examples.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-core.jar:/usr/lib/hadoop-0.20/hadoop-0.20.2-cdh3u3-ant.jar:/usr/lib/hadoop-0.20/hadoop-core-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/hadoop-tools.jar:/usr/lib/hadoop-0.20/hadoop-tools-0.20.2-cdh3u3.jar:/usr/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-examples.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-0.20.2-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/jackson-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/hadoop-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/aspectjrt-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-codec-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/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.cloudera.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/hadoop-0.20/lib/commons-httpclient-3.1.jar:/usr/lib/hadoop-0.20/lib/slf4j-api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/xmlenc-0.52.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-1.0.4.jar:/usr/lib/hadoop-0.20/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/hadoop-0.20/lib/guava-r09-jarjar.jar:/usr/lib/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u3.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/lib/jline-0.9.94.jar::/usr/lib/hadoop-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/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/hadoop-0.20/lib/commons-logging-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-logging-api-1.0.4.jar:/usr/lib/hadoop-0.20/lib/commons-net-1.4.1.jar:/usr/lib/hadoop-0.20/lib/core-3.1.1.jar:/usr/lib/hadoop-0.20/lib/guava-r09-jarjar.jar:/usr/lib/hadoop-0.20/lib/hadoop-fairscheduler-0.20.2-cdh3u3.jar:/usr/lib/hadoop-0.20/lib/hsqldb-1.8.0.10.jar:/usr/lib/hadoop-0.20/lib/jackson-core-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jackson-mapper-asl-1.5.2.jar:/usr/lib/hadoop-0.20/lib/jasper-compiler-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jasper-runtime-5.5.12.jar:/usr/lib/hadoop-0.20/lib/jets3t-0.6.1.jar:/usr/lib/hadoop-0.20/lib/jetty-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-servlet-tes
 ter-6
> >> >
> >>  .1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jetty-util-6.1.26.cloudera.1.jar:/usr/lib/hadoop-0.20/lib/jsch-0.1.42.jar:/usr/lib/hadoop-0.20/lib/junit-4.5.jar:/usr/lib/hadoop-0.20/lib/kfs-0.2.2.jar:/usr/lib/hadoop-0.20/lib/log4j-1.2.15.jar:/usr/lib/hadoop-0.20/lib/mockito-all-1.8.2.jar:/usr/lib/hadoop-0.20/lib/oro-2.0.8.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-20081211.jar:/usr/lib/hadoop-0.20/lib/servlet-api-2.5-6.1.14.jar:/usr/lib/hadoop-0.20/lib/slf4j-api-1.4.3.jar:/usr/lib/hadoop-0.20/lib/slf4j-log4j12-1.4.3.jar:/usr/lib/hadoop-0.20/lib/xmlenc-0.52.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(DistributedFileSystem.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$Cache.get(FileSystem.java:1579)      at
> >> org.apache.hadoop.fs.FileSystem.get(FileSystem.java:228)     at
> >> org.apache.hadoop.fs.Path.getFileSystem(Path.java:183)       at
> >> org.apache.hadoop.hbase.util.FSUtils.getRootDir(FSUtils.java:364)    at
> >> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:86)
> >>     at
> >> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:360)
> >>        at
> >> org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:293)Caused by:
> >> java.net.ConnectException: Connection refused at
> >> sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)     at
> >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567)
> >>   at
> >> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
> >>      at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:408)    at
> >> org.apache.hadoop.ipc.Client$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#HBaseInstallation-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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