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From shashwat shriparv <dwivedishash...@gmail.com>
Subject Re: Important "Undefined Error"
Date Sat, 12 May 2012 14:45:54 GMT
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:/usr/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-2.5-200812
> >
>  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/aspectjto
> >
>  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-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
> 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/10.0.2.3:8020 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
> $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

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