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 <ha...@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.mohso...@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: ha...@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.mohso...@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