No. The namenode is not running. "bin/hadoop namenode -format" was the very first command. I have not got chance to start the namenode yet. Any idea?
--- On Tue, 3/23/10, Suresh Srinivas <[email protected]> wrote: > From: Suresh Srinivas <[email protected]> > Subject: Re: bin/hadoop namenode -format IOException: Invalid > argument > To: "[email protected]" <[email protected]> > Date: Tuesday, March 23, 2010, 12:27 PM > Is namenode running when you tried > this operation? If so shutdown the namenode process and try > it again. > > > On 3/23/10 11:19 AM, "Gary Yang" <[email protected]> > wrote: > > Hi All, > > I got exception below. I followed the Quick Start for the > Pseudo-Distributed Operation. I did what the quick start > says. Can someone help? > > cat conf/core-site.xml > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" > href="configuration.xsl"?> > > <!-- Put site-specific property overrides in this file. > --> > > <configuration> > > <property> > <name>fs.default.name</name> > > <value>hdfs://localhost:9000</value> > </property> > > </configuration> > > > cat conf/hdfs-site.xml > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" > href="configuration.xsl"?> > > <!-- Put site-specific property overrides in this file. > --> > > <configuration> > <property> > <name>dfs.replication</name> > <value>1</value> > </property> > </configuration> > > > cat conf/mapred-site.xml > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" > href="configuration.xsl"?> > > <!-- Put site-specific property overrides in this file. > --> > > <configuration> > <property> > <name>mapred.job.tracker</name> > <value>localhost:9001</value> > </property> > </configuration> > > > > Below are errors: > > > -bash-3.2# bin/hadoop namenode -format > 10/03/23 11:54:54 INFO namenode.NameNode: STARTUP_MSG: > /************************************************************ > STARTUP_MSG: Starting NameNode > STARTUP_MSG: host = Board2/192.168.0.185 > STARTUP_MSG: args = [-format] > STARTUP_MSG: version = 0.20.2 > STARTUP_MSG: build = > https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 > -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC > 2010 > ************************************************************/ > 10/03/23 11:54:56 INFO namenode.FSNamesystem: > fsOwner=root,root,bin,daemon,sys,adm,disk,wheel > 10/03/23 11:54:56 INFO namenode.FSNamesystem: > supergroup=supergroup > 10/03/23 11:54:56 INFO namenode.FSNamesystem: > isPermissionEnabled=true > 10/03/23 11:54:56 INFO common.Storage: java.io.IOException: > Invalid argument > at > sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:900) > at > java.nio.channels.FileChannel.tryLock(FileChannel.java:974) > at > org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527) > at > org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1087) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1110) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:856) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:948) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965) > > 10/03/23 11:54:56 ERROR namenode.NameNode: > java.io.IOException: Invalid argument > at > sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:900) > at > java.nio.channels.FileChannel.tryLock(FileChannel.java:974) > at > org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527) > at > org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1087) > at > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1110) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:856) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:948) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965) > > 10/03/23 11:54:56 INFO namenode.NameNode: SHUTDOWN_MSG: > /************************************************************ > SHUTDOWN_MSG: Shutting down NameNode at > Board2/192.168.0.185 > ************************************************************/ > > > > > Thanks, > > > Gary > > > > > > > >
