did you verify the name resolution? On Tue, Oct 13, 2009 at 4:34 PM, Tejas Lagvankar <[email protected]> wrote:
> > I get the same error even if i specify the port number. I have tried with > port numbers 54310 as well as 9000. > > > Regards, > Tejas > > > On Oct 13, 2009, at 12:12 PM, Chandan Tamrakar wrote: > > 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 <[email protected]> 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 >>> [email protected] >>> www.umbc.edu/~tej2 <http://www.umbc.edu/%7Etej2> >>> >>> >>> >>> >>> >>> >> >> -- >> Chandan Tamrakar >> > > Tejas Lagvankar > [email protected] > www.umbc.edu/~tej2 > > > >
