I think you need to specify the port as well for following port <property> <name>fs.default.name</name> <value>hdfs://master_hadoop</value> </property>
On Tue, Oct 13, 2009 at 7:17 AM, Tejas Lagvankar <t...@umbc.edu> wrote: > Hi, > > > We are trying to set up a cluster (starting with 2 machines) using the new > 0.20.1 version. > > On the master machine, just after the server starts, the name node dies off > with the following exception: > > 2009-10-13 01:22:24,740 ERROR > org.apache.hadoop.hdfs.server.namenode.NameNode: java.io.IOException: > Incomplete HDFS URI, no host: hdfs://master_hadoop > at > org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:78) > at > org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1373) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1385) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:191) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:95) > at org.apache.hadoop.fs.Trash.<init>(Trash.java:62) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.startTrashEmptier(NameNode.java:208) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:204) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965) > > Can anyone help ? Also can anyone send across example configuration files > for 0.20.1 if they are different than we are using ? > > The detail log file is attached along with. > > > > > The configuration files are as follows: > > MASTER CONFIG > ------ conf/masters ------- > master_hadoop > > ------ conf/slaves ------- > master_hadoop > slave_hadoop > > ------ core-site.xml ------- > <configuration> > > <property> > <name>fs.default.name</name> > <value>hdfs://master_hadoop</value> > </property> > > <property> > <name>hadoop.tmp.dir</name> > <value>/opt/hadoop-0.20.1/tmp</value> > </property> > > ------ hdfs-site.xml ------- > <property> > <name>dfs.replication</name> > <value>2</value> > </property> > > > ------ mapred-site.xml ------- > <property> > <name>mapred.job.tracker</name> > <value>tejas_hadoop:9001</value> > </property> > > > > > > SLAVE CONFIG > ------ core-site.xml ------- > <property> > <name>hadoop.tmp.dir</name> > <value>/opt/hadoop-0.20.1/tmp/</value> > </property> > > > <property> > <name>fs.default.name</name> > <value>hdfs://master_hadoop</value> > </property> > > > ------ hdfs-site.xml ------- > <property> > <name>dfs.replication</name> > <value>2</value> > </property> > > ------ mapred-site.xml ------- > <property> > <name>mapred.job.tracker</name> > <value>tejas_hadoop:9001</value> > </property> > > > > Regards, > > Tejas Lagvankar > meette...@umbc.edu > www.umbc.edu/~tej2 <http://www.umbc.edu/%7Etej2> > > > > > -- Chandan Tamrakar
