you need https://issues.apache.org/jira/browse/HADOOP-5191
I don't why there is no response to the simple patch I attached. alternately you could use hostname that it expects instead of ip address. Raghu. snehal nagmote wrote:
Hi, I am using Hadoop version 0.19. I set up a hadoop cluster for testing purpose with 1 master and one slave. I set up keyless ssh between the master node and all the slave nodes as well as modified the /etc/hosts/ on all nodes so hostname lookup works I am using ip addresses for the namenode and datanode rather tahn hostname as with hostname , datanode was not coming up But when i try to execute any job or program, it gives me following exception following exceptions: FAILED Error initializing *java*.*lang*.*IllegalArgumentException*: *Wrong* *FS*: hdfs://172.16.6.102:21011/user/root/test expected: hdfs://namnodemc:21011 Can you please help me out , from where it is taking hostname Regards, Snehal Nagmote IIIT-H
