And are permission for that file which is causing problem.. [root@localhost hive]# ls -l /var/lib/hadoop-0.20/cache/hadoop/dfs/name/in_use.lock -rwxrwxrwx. 1 hdfs hdfs 0 Aug 10 21:23 /var/lib/hadoop-0.20/cache/hadoop/dfs/name/in_use.lock
On Thu, Aug 9, 2012 at 3:46 PM, anand sharma <anand2sha...@gmail.com> 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 > ************************************************************/ > > >
