it seems that you are looking at 2 different directories: first post: /your/path/to/hadoop/tmp/dir/hadoop-hadoop/dfs/name/current second: ls -l tmp/dir/hadoop-hadoop/dfs/hadoop -- Take care, Konstantin (Cos) Boudnik
On Wed, Dec 8, 2010 at 14:19, Richard Zhang <[email protected]> wrote: > would that be the reason that 54310 port is not open? > I just used > * iptables -A INPUT -p tcp --dport 54310 -j ACCEPT > to open the port. > But it seems the same erorr exists. > Richard > * > On Wed, Dec 8, 2010 at 4:56 PM, Richard Zhang <[email protected]>wrote: > >> Hi James: >> I verified that I have the following permission set for the path: >> >> ls -l tmp/dir/hadoop-hadoop/dfs/hadoop >> total 4 >> drwxr-xr-x 2 hadoop hadoop 4096 2010-12-08 15:56 current >> Thanks. >> Richard >> >> >> >> On Wed, Dec 8, 2010 at 4:50 PM, james warren <[email protected]> wrote: >> >>> Hi Richard - >>> >>> First thing that comes to mind is a permissions issue. Can you verify >>> that >>> your directories along the desired namenode path are writable by the >>> appropriate user(s)? >>> >>> HTH, >>> -James >>> >>> On Wed, Dec 8, 2010 at 1:37 PM, Richard Zhang <[email protected] >>> >wrote: >>> >>> > Hi Guys: >>> > I am just installation the hadoop 0.21.0 in a single node cluster. >>> > I encounter the following error when I run bin/hadoop namenode -format >>> > >>> > 10/12/08 16:27:22 ERROR namenode.NameNode: >>> > java.io.IOException: Cannot create directory >>> > /your/path/to/hadoop/tmp/dir/hadoop-hadoop/dfs/name/current >>> > at >>> > >>> > >>> org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.clearDirectory(Storage.java:312) >>> > at >>> > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1425) >>> > at >>> > org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:1444) >>> > at >>> > >>> org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1242) >>> > at >>> > >>> > >>> org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1348) >>> > at >>> > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1368) >>> > >>> > >>> > Below is my core-site.xml >>> > >>> > <configuration> >>> > <!-- In: conf/core-site.xml --> >>> > <property> >>> > <name>hadoop.tmp.dir</name> >>> > <value>/your/path/to/hadoop/tmp/dir/hadoop-${user.name}</value> >>> > <description>A base for other temporary directories.</description> >>> > </property> >>> > >>> > <property> >>> > <name>fs.default.name</name> >>> > <value>hdfs://localhost:54310</value> >>> > <description>The name of the default file system. A URI whose >>> > scheme and authority determine the FileSystem implementation. The >>> > uri's scheme determines the config property (fs.SCHEME.impl) naming >>> > the FileSystem implementation class. The uri's authority is used to >>> > determine the host, port, etc. for a filesystem.</description> >>> > </property> >>> > </configuration> >>> > >>> > >>> > Below is my hdfs-site.xml >>> > *<?xml version="1.0"?> >>> > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> >>> > >>> > <!-- Put site-specific property overrides in this file. --> >>> > >>> > <configuration> >>> > <!-- In: conf/hdfs-site.xml --> >>> > <property> >>> > <name>dfs.replication</name> >>> > <value>1</value> >>> > <description>Default block replication. >>> > The actual number of replications can be specified when the file is >>> > created. >>> > The default is used if replication is not specified in create time. >>> > </description> >>> > </property> >>> > >>> > </configuration> >>> > >>> > >>> > below is my mapred-site.xml: >>> > <?xml version="1.0"?> >>> > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> >>> > >>> > <!-- Put site-specific property overrides in this file. --> >>> > >>> > <configuration> >>> > >>> > <!-- In: conf/mapred-site.xml --> >>> > <property> >>> > <name>mapred.job.tracker</name> >>> > <value>localhost:54311</value> >>> > <description>The host and port that the MapReduce job tracker runs >>> > at. If "local", then jobs are run in-process as a single map >>> > and reduce task. >>> > </description> >>> > </property> >>> > >>> > </configuration> >>> > >>> > >>> > Thanks. >>> > Richard >>> > * >>> > >>> >> >> >
