As far as I can tell, the Fetcher class executes from within a Task JVM. So check your reduce's userlogs output instead of the service's/daemon's logs.
Additionally, depending on what version of Hadoop you're using for your project, try this: http://search-hadoop.com/m/SKajPZOkJa1 On Tue, Jul 3, 2012 at 4:29 AM, Pavan Kulkarni <pavan.babu...@gmail.com> wrote: > Hi, > > I am new to Hadoop community and am working on a project which involves > tweaking few Hadoop classes. > To enable debugging for a certain class (say Fetcher.java) I inserted a line > *log4j.logger.org.apache.hadoop.mapreduce.task.reduce.Fetcher=DEBUG* > * > * > Then I restarted the daemon's and grep'd in the log directory for the Debug > message present in the Fetcher.java class. > I couldn't find any !! > > Am I missing anything here? Any help is highly appreciated .Thanks > > -- > > --With Regards > Pavan Kulkarni -- Harsh J