pi example job hangs on when run on hadoop 0.23.0 when capacity scheduler is included in the setting environment.

Tried to include default capacity scheduler in hadoop and tried to run an example pi program. The job hangs and no more output is getting displayed.
Starting Job
2012-06-12 22:10:02,524 INFO ipc.YarnRPC (YarnRPC.java:create(47)) - Creating YarnRPC for org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC
2012-06-12 22:10:02,538 INFO mapred.ResourceMgrDelegate (ResourceMgrDelegate.java:<init>(95)) - Connecting to ResourceManager at localhost/127.0.0.1:8030
2012-06-12 22:10:02,539 INFO ipc.HadoopYarnRPC (HadoopYarnProtoRPC.java:getProxy(48)) - Creating a HadoopYarnProtoRpc proxy for protocol interface org.apache.hadoop.yarn.api.ClientRMProtocol
2012-06-12 22:10:02,665 INFO mapred.ResourceMgrDelegate (ResourceMgrDelegate.java:<init>(99)) - Connected to ResourceManager at localhost/127.0.0.1:8030
2012-06-12 22:10:02,727 WARN conf.Configuration (Configuration.java:handleDeprecation(326)) - fs.default.name is deprecated. Instead, use fs.defaultFS
2012-06-12 22:10:02,728 WARN conf.Configuration (Configuration.java:handleDeprecation(343)) - mapred.used.genericoptionsparser is deprecated. Instead, use mapreduce.client.genericoptionsparser.used
2012-06-12 22:10:02,831 INFO input.FileInputFormat (FileInputFormat.java:listStatus(245)) - Total input paths to process : 10
2012-06-12 22:10:02,900 INFO mapreduce.JobSubmitter (JobSubmitter.java:submitJobInternal(362)) - number of splits:10
2012-06-12 22:10:03,044 INFO mapred.YARNRunner (YARNRunner.java:createApplicationSubmissionContext(279)) - AppMaster capability = memory: 2048
2012-06-12 22:10:03,286 INFO mapred.YARNRunner (YARNRunner.java:createApplicationSubmissionContext(355)) - Command to launch container for ApplicationMaster is : $JAVA_HOME/bin/java -Dlog4j.configuration=container-log4j.properties -Dyarn.app.mapreduce.container.log.dir=<LOG_DIR> -Dyarn.app.mapreduce.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Xmx1536m org.apache.hadoop.mapreduce.v2.app.MRAppMaster 1><LOG_DIR>/stdout 2><LOG_DIR>/stderr
2012-06-12 22:10:03,370 INFO mapred.ResourceMgrDelegate (ResourceMgrDelegate.java:submitApplication(304)) - Submitted application application_1339507608976_0002 to ResourceManager
2012-06-12 22:10:03,432 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1207)) - Running job: job_1339507608976_0002
2012-06-12 22:10:04,443 INFO mapreduce.Job (Job.java:monitorAndPrintJob(1227)) - map 0% reduce 0%