hi Madhu, After doing Modification in /ets/host it's working fine Thanks a lot :)
Kind Regards Sijit Dhamale (+91 9970086652) On Fri, Apr 13, 2012 at 10:49 AM, madhu phatak <phatak....@gmail.com> wrote: > Please check contents of /etc/hosts for the hostname and ipaddress mapping. > > On Thu, Apr 12, 2012 at 11:11 PM, Sujit Dhamale <sujitdhamal...@gmail.com > >wrote: > > > Hi Friends , > > i am getting UnknownHostException while executing Hadoop Word count > program > > > > getting below details from job tracker Web page > > > > *User:* sujit > > *Job Name:* word count > > *Job File:* > > > > > hdfs://localhost:54310/app/hadoop/tmp/mapred/staging/sujit/.staging/job_201204112234_0002/job.xml< > > http://localhost:50030/jobconf.jsp?jobid=job_201204112234_0002> > > *Submit Host:* sujit.(null) > > *Submit Host Address:* 127.0.1.1 > > *Job-ACLs: All users are allowed* > > *Job Setup:*None > > *Status:* Failed > > *Failure Info:*Job initialization failed: java.net.UnknownHostException: > > sujit.(null) is not a valid Inet address at org.apache.hadoop.net. > > NetUtils.verifyHostnames(NetUtils.java:569) at > > org.apache.hadoop.mapred.JobInProgress.initTasks(JobInProgress.java:711) > at > > org.apache.hadoop.mapred.JobTracker.initJob(JobTracker.java:4207) at > > > > > org.apache.hadoop.mapred.EagerTaskInitializationListener$InitJob.run(EagerTaskInitializationListener.java:79) > > at > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > > at > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > > at java.lang.Thread.run(Thread.java:662) > > *Started at:* Wed Apr 11 22:36:46 IST 2012 > > *Failed at:* Wed Apr 11 22:36:47 IST 2012 > > *Failed in:* 0sec > > *Job Cleanup:*None > > > > > > > > > > Can some one help me how to resolve this issue . > > i tried with : http://wiki.apache.org/hadoop/UnknownHost > > > > but still not able to resolve issue , > > please help me out . > > > > > > Hadoop Version: hadoop-1.0.1.tar.gz > > java version "1.6.0_30" > > Operating System : Ubuntu 11.10 > > > > > > *Note *: All node were up before starting execution of Program > > > > Kind Regards > > Sujit Dhamale > > <http://wiki.apache.org/hadoop/UnknownHost> > > > > > > -- > https://github.com/zinnia-phatak-dev/Nectar >
