Hi Arun/Vinod, After commit d4dca4eabf83a97d158f1e1caa4801020679d5e2 Date: Wed Sep 21 18:52:27 2011 +0000 MAPREDUCE-2880. svn merge -c r1173783 --ignore-ancestry ../../trunk/ git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@117379213f79535-47bb-0310-9956-ffa450edef68
My mapreduce jobs are failing 2011-09-23 10:27:08,534 INFO ipc.HadoopYarnRPC (HadoopYarnProtoRPC.java:getProxy(49)) - Creating a HadoopYarnProtoRpc proxy for protocol interface org.apache.hadoop.mapreduce.v2.api.MRClientProtocol 2011-09-23 10:27:08,634 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1209)) - Running job: job_1316791524705_0002 2011-09-23 10:27:09,653 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1229)) - map 0% reduce 0% 2011-09-23 10:27:16,739 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1242)) - Job job_1316791524705_0002 failed with state FAILED 2011-09-23 10:27:16,786 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1246)) - Counters: 0 Digging into the stderr logs: I see this single line Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/mapreduce/v2/app/MRAppMaster What do I need to add to my environment / config so that the magic happens again? Thanks Ravi.