Thanks all for reply, yes the user has access to that directory and i have already formatted the namenode; just for simplicity i am not using ssh as i am doing things for the first time.
On Thu, Aug 9, 2012 at 3:58 PM, shashwat shriparv <[email protected] > wrote: > format the filesystem > > bin/hadoop namenode -format > > then try to start namenode :) > > > On Thu, Aug 9, 2012 at 3:51 PM, Mohammad Tariq <[email protected]> wrote: > >> Hello Anand, >> >> Is there any specific reason behind not using ssh?? >> >> Regards, >> Mohammad Tariq >> >> >> On Thu, Aug 9, 2012 at 3:46 PM, anand sharma <[email protected]> >> wrote: >> > Hi, i am just learning the Hadoop and i am setting the development >> > environment with CDH3 pseudo distributed mode without any ssh >> cofiguration >> > in CentOS 6.2 . i can run the sample programs as usual but when i try >> and >> > run namenode this is the error it logs... >> > >> > [hive@localhost ~]$ hadoop namenode >> > 12/08/09 20:56:57 INFO namenode.NameNode: STARTUP_MSG: >> > /************************************************************ >> > STARTUP_MSG: Starting NameNode >> > STARTUP_MSG: host = localhost.localdomain/127.0.0.1 >> > STARTUP_MSG: args = [] >> > STARTUP_MSG: version = 0.20.2-cdh3u4 >> > STARTUP_MSG: build = >> file:///data/1/tmp/topdir/BUILD/hadoop-0.20.2-cdh3u4 >> > -r 214dd731e3bdb687cb55988d3f47dd9e248c5690; compiled by 'root' on Mon >> May >> > 7 14:01:59 PDT 2012 >> > ************************************************************/ >> > 12/08/09 20:56:57 INFO jvm.JvmMetrics: Initializing JVM Metrics with >> > processName=NameNode, sessionId=null >> > 12/08/09 20:56:57 INFO metrics.NameNodeMetrics: Initializing >> > NameNodeMeterics using context >> > object:org.apache.hadoop.metrics.spi.NoEmitMetricsContext >> > 12/08/09 20:56:57 INFO util.GSet: VM type = 64-bit >> > 12/08/09 20:56:57 INFO util.GSet: 2% max memory = 17.77875 MB >> > 12/08/09 20:56:57 INFO util.GSet: capacity = 2^21 = 2097152 entries >> > 12/08/09 20:56:57 INFO util.GSet: recommended=2097152, actual=2097152 >> > 12/08/09 20:56:57 INFO namenode.FSNamesystem: fsOwner=hive (auth:SIMPLE) >> > 12/08/09 20:56:57 INFO namenode.FSNamesystem: supergroup=supergroup >> > 12/08/09 20:56:57 INFO namenode.FSNamesystem: isPermissionEnabled=false >> > 12/08/09 20:56:57 INFO namenode.FSNamesystem: >> > dfs.block.invalidate.limit=1000 >> > 12/08/09 20:56:57 INFO namenode.FSNamesystem: isAccessTokenEnabled=false >> > accessKeyUpdateInterval=0 min(s), accessTokenLifetime=0 min(s) >> > 12/08/09 20:56:57 INFO metrics.FSNamesystemMetrics: Initializing >> > FSNamesystemMetrics using context >> > object:org.apache.hadoop.metrics.spi.NoEmitMetricsContext >> > 12/08/09 20:56:57 ERROR namenode.FSNamesystem: FSNamesystem >> initialization >> > failed. >> > java.io.FileNotFoundException: >> > /var/lib/hadoop-0.20/cache/hadoop/dfs/name/in_use.lock (Permission >> denied) >> > at java.io.RandomAccessFile.open(Native Method) >> > at java.io.RandomAccessFile.<init>(RandomAccessFile.java:216) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:614) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:591) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:449) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:304) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:110) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:372) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:335) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:271) >> > at >> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:467) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1330) >> > at >> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1339) >> > 12/08/09 20:56:57 ERROR namenode.NameNode: >> java.io.FileNotFoundException: >> > /var/lib/hadoop-0.20/cache/hadoop/dfs/name/in_use.lock (Permission >> denied) >> > at java.io.RandomAccessFile.open(Native Method) >> > at java.io.RandomAccessFile.<init>(RandomAccessFile.java:216) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:614) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:591) >> > at >> > >> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:449) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:304) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:110) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:372) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:335) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:271) >> > at >> org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:467) >> > at >> > >> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1330) >> > at >> org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1339) >> > >> > 12/08/09 20:56:57 INFO namenode.NameNode: SHUTDOWN_MSG: >> > /************************************************************ >> > SHUTDOWN_MSG: Shutting down NameNode at localhost.localdomain/127.0.0.1 >> > ************************************************************/ >> > >> > >> > > > > -- > > > ∞ > Shashwat Shriparv > > >
