The jobtracker is failing to startup with this messaage,
2011-02-15 03:02:31,420 WARN org.apache.hadoop.mapred.JobTracker: Failed to
operate on mapred.system.dir
(hdfs://master:54310/tmp/hadoop-mapred/mapred/system) because of
permissions.
The permissions on the mapred and system directories
/
The jobtracker is now running BTW.
ahmednagy wrote:
Check the owner of the file. Might be a problem with the owner. The owner
of the file has to be the same as the one who creates the hadoop processes
otherwise it will not work. I faced that problem recently.
Regards
Ahmed Nagy
danoomistmatiste
I had to specify the IP address of the master in core-site and
mapred-site.xml
ahmednagy wrote:
Could you elaborate more please how did u fix that
Thanks
Ahmed Nagy
danoomistmatiste wrote:
I managed to fix this issue. It had to do with permissions on the
default directory
I managed to fix this issue. It had to do with permissions on the default
directory.
danoomistmatiste wrote:
Hi, I have setup a Hadoop cluster as per the instructions for CDH3.
When I try to start the datanode on the slave, I get this error
Hi, I have setup a Hadoop cluster as per the instructions for CDH3. When I
try to start the datanode on the slave, I get this error,
org.apache.hadoop.hdfs.server.datanode.DataNode:
java.lang.IllegalArgumentException: Invalid URI for NameNode address
(check fs.defaultFS): file:/// has no
