Hi, >From where I can see the logs ? I have done single node cluster installaiton and I am running hadoop on single machine only. Both Map and Reduce are running on same machine. Thanks, Praveenesh On Thu, Apr 14, 2011 at 4:43 PM, Harsh J <ha...@cloudera.com> wrote:
> Hello Praveenesh, > > On Thu, Apr 14, 2011 at 3:42 PM, praveenesh kumar <praveen...@gmail.com> > wrote: > > attempt_201104142306_0001_m_000000_0, Status : FAILED > > Too many fetch-failures > > 11/04/14 23:32:50 WARN mapred.JobClient: Error reading task outputInvalid > > argument or cannot assign requested address > > 11/04/14 23:32:50 WARN mapred.JobClient: Error reading task outputInvalid > > argument or cannot assign requested address > > In most cases, this is a simple DNS/hostnames configuration issue. The > machine on which your Reducer is trying to run on, could be unable to > contact the HTTP service of the TaskTracker the mappers ran on (one or > many) due to problems on either end. If this is a single > pseudo-distributed setup, you may want to verify the contents of your > /etc/hosts file. A full log output pasted somewhere would also be > helpful in determining the exact cause. > > -- > Harsh J >
