The inability to look at map-reduce logs for failed logs is due to number of open issues in yarn; see my recent comment here: https://issues.apache.org/jira/browse/MAPREDUCE-4428?focusedCommentId=13412995&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13412995
You can workaround this by enabling log aggregation and manually copying job logs from HDFS log location. Of course that is a painful way till the yarn log collection and history bugs are resolved in an upcoming release. -Rahul > 12/07/27 09:38:27 INFO mapred.ResourceMgrDelegate: Submitted application > application_1343365114818_0002 to ResourceManager at ihub-an-l1/ > 172.31.192.151:8040 > 12/07/27 09:38:27 INFO mapreduce.Job: The url to track the job: > http://ihub-an-l1:9999/proxy/application_1343365114818_0002/ > 12/07/27 09:38:27 INFO mapreduce.Job: Running job: job_1343365114818_0002 > > No Map-Reduce task are started by the cluster. I dont see any errors > anywhere in the application. Please help me in resolving this problem. > > Thanks, > Anil Gupta >