Hi Chia-Hung Lin, Thanks for your response, I have already solved the problem it was some configuration error on the Datanode.
Regards, Vahe On Mon, Sep 9, 2013 at 3:06 PM, Chia-Hung Lin <[email protected]> wrote: > Perhaps you can check the log files at $HAMA_HOME/logs/tasklogs for > the detail error messages. That might give you more information on > what problems happen. > > > On 6 September 2013 15:36, Vahe nr <[email protected]> wrote: > > Dear all, > > > > I am a new user of hama, te Hadoop and hama were installed and running > > successfully but when I am trying to execute pi example to test hama > > cluster I am getting the following: > >>/home/hadoop/hama-0.6.2/bin/hama jar hama-examples-0.6.2.jar pi > > 13/09/06 12:21:20 INFO mortbay.log: Logging to > > org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via > > org.mortbay.log.Slf4jLog > > 13/09/06 12:21:22 INFO bsp.BSPJobClient: Running job: > job_201309061220_0001 > > 13/09/06 12:21:25 INFO bsp.BSPJobClient: Current supersteps number: 0 > > 13/09/06 12:21:34 WARN bsp.BSPJobClient: Error reading task > > > outputhttp://hslave01:40015/tasklog?plaintext=true&taskid=attempt_201309061220_0001_000000_0&filter=stdout > > 13/09/06 12:21:34 INFO bsp.BSPJobClient: Job failed. > > > > In the log file: > > cat hama-hadoop-bspmaster-hmaster.log > > 2013-09-06 12:21:22,094 INFO org.apache.hama.bsp.JobInProgress: Job is > > initialized. > > 2013-09-06 12:21:32,885 INFO org.apache.hama.bsp.JobInProgress: Taskid > > 'attempt_201309061220_0001_000000_0' has failed. > > 2013-09-06 12:21:32,885 INFO org.apache.hama.bsp.TaskInProgress: Task > > 'task_201309061220_0001_000000' has failed. > > 2013-09-06 12:21:32,920 INFO org.apache.hama.bsp.JobInProgress: Job > failed. > > 2013-09-06 12:21:42,903 INFO org.apache.hama.bsp.JobInProgress: Taskid > > 'attempt_201309061220_0001_000002_0' has failed. > > 2013-09-06 12:21:42,903 INFO org.apache.hama.bsp.TaskInProgress: Task > > 'task_201309061220_0001_000002' has failed. > > 2013-09-06 12:21:42,904 INFO org.apache.hama.bsp.JobInProgress: Job > failed. > > 2013-09-06 12:21:52,922 INFO org.apache.hama.bsp.JobInProgress: Taskid > > 'attempt_201309061220_0001_000001_0' has failed. > > 2013-09-06 12:21:52,922 INFO org.apache.hama.bsp.TaskInProgress: Task > > 'task_201309061220_0001_000001' has failed. > > 2013-09-06 12:21:52,924 INFO org.apache.hama.bsp.JobInProgress: Job > failed. > > > > Let me also mention that the cluster contains one Namenode and one > Datanode > > and this is the output of jps on each of them: > > Namenode: > > 6039 BSPMasterRunner > > 2068 NameNode > > 2727 TaskTracker > > 6272 Jps > > 2550 JobTracker > > 5989 ZooKeeperRunner > > 2241 DataNode > > 2424 SecondaryNameNode > > Datanode: > > 2303 DataNode > > 12864 GroomServerRunner > > 13126 Jps > > > > I will appreciate any help or suggestion to solve this issue. > > > > Thanks in advance. > > > > Regards, > > Vahe >
