What is your 'classic' MapReduce bundle version? 0.23 ships no classic MapReduce services bundle in it AFAIK, only YARN+(MR2-App). Whatever version you're trying to use, make sure it is not using the older HDFS jars? On Wed, Oct 3, 2012 at 10:13 AM, Alexander Hristov wrote: > Hi again > > Why does it seem to me that everything Hadoop 0.23-related is an uphill > battle? :-( > > I'm trying something as simple as running a classic(MapReduce 1) Hadoop > cluster. Here's my configuration: > > core-site.xml: > > > fs.default.name > hdfs://samplehost.com:9000 > > > > hdfs-site.xml > > > dfs.replication > 3 > > > > mapred-site.xml > > > mapreduce.framework.name > classic > > > mapred.job.tracker > samplehost.com:9001 > > > mapreduce.jobtracker.address > samplehost.com:9001 > > > > yarn-site.xml > > > > > Well, I start the thing and do a netstat -l , and there's no one listening > on port 9001. There are no errors in the logs, and no mention of that port, > either. > Obviously, all Map/Reduce examples fail with Connection Refused. > > Starting the same cluster using a MapReduce 2 (YARN) configuration works > properly. > > Regards, > > Alexander > > > -- Harsh J