Make sure all the config settings are OK and you have proper dns resolution. Modify the line "127.0.1.1" in your /etc/hosts file to "127.0.0.1". And, I completely agree with Vinod sir. 0.14 is ancient now.
HTH P.S : you can go here<http://cloudfront.blogspot.in/2012/07/how-to-configure-hadoop.html#.UOwNGZsQSv4>, in case you still need some help. Best Regards, Tariq +91-9741563634 https://mtariq.jux.com/ On Mon, Jan 7, 2013 at 3:20 PM, Vinod Kumar Vavilapalli < [email protected]> wrote: > You are pointing your JobClient to the Namenode. Check your > mapred.job.tracker address and make sure it points to the correct > JobTracker node. > > Also 0.14 is very very old. Please use 1.* releases. > > HTH, > +Vinod > > > On Mon, Jan 7, 2013 at 1:11 AM, Prabu <[email protected]> wrote: > >> Jim the Standing Bear <standingbear@...> writes: >> >> > >> > Hi, >> > >> > I am new to hadoop, and tried to setup a distributed hadoop system. >> > But when I tried to run the example job, it stack dumped with the >> > following exception: >> > >> > org.apache.hadoop.ipc.RemoteException: java.io.IOException: Unknown >> > protocol to name node: org.apache.hadoop.mapred.JobSubmissionProtocol >> > >> > I setup hadoop 0.14.1 on two machines, where one acts as both the name >> > node and job tracker, while the other one is just a slave >> > >> > When I set it up on a single machine and ran it standalone, it worked >> > fine. Please let me know if more information is needed to help >> > troubleshoot. Thanks! >> > >> >> >> Hi, >> >> I'm right now facing the same issue(the same protocol error) while >> setting up >> hadoop on single standalone machine. Since you were successful on >> setting it >> up on standalone machine, please guide me as how to fix it. >> >> > > > -- > +Vinod > Hortonworks Inc. > http://hortonworks.com/ >
