Hi, Mostafa you said it, the port number has changed to 50070. But I don't know how to read the userlog. I did not get any information helpful. Meta VERSION="1" . Job JOBID="job_201108111938_0002" JOBNAME="Retrieval" USER="root" SUBMIT_TIME="1313135011123" JOBCONF="hdfs://cx1:9000/home/cx/software/Hadoop/tmp/mapred/system/job_201108111938_0002/job\.xml" . Job JOBID="job_201108111938_0002" JOB_PRIORITY="NORMAL" . Job JOBID="job_201108111938_0002" LAUNCH_TIME="1313135011389" TOTAL_MAPS="2" TOTAL_REDUCES="1" JOB_STATUS="PREP" . Task TASKID="task_201108111938_0002_m_000003" TASK_TYPE="SETUP" START_TIME="1313135013738" SPLITS="" . MapAttempt TASK_TYPE="SETUP" TASKID="task_201108111938_0002_m_000003" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000003_0" START_TIME="1313135101886" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="SETUP" TASKID="task_201108111938_0002_m_000003" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000003_0" TASK_STATUS="SUCCESS" FINISH_TIME="1313135102547" HOSTNAME="/default-rack/cx3" STATE_STRING="setup" COUNTERS="{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce Framework)[(SPILLED_RECORDS)(Spilled Records)(0)]}" . Task TASKID="task_201108111938_0002_m_000003" TASK_TYPE="SETUP" TASK_STATUS="SUCCESS" FINISH_TIME="1313135016751" COUNTERS="{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce Framework)[(SPILLED_RECORDS)(Spilled Records)(0)]}" . Job JOBID="job_201108111938_0002" JOB_STATUS="RUNNING" . Task TASKID="task_201108111938_0002_m_000000" TASK_TYPE="MAP" START_TIME="1313135016752" SPLITS="/default-rack/cx3" . Task TASKID="task_201108111938_0002_m_000001" TASK_TYPE="MAP" START_TIME="1313135016753" SPLITS="/default-rack/cx3" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_0" START_TIME="1313135104809" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_0" TASK_STATUS="FAILED" FINISH_TIME="1313135108385" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_0" START_TIME="1313135104855" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_0" TASK_STATUS="FAILED" FINISH_TIME="1313135111418" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_1" START_TIME="1313135113899" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_1" TASK_STATUS="FAILED" FINISH_TIME="1313135117483" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_1" START_TIME="1313135113942" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_1" TASK_STATUS="FAILED" FINISH_TIME="1313135120480" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_2" START_TIME="1313135122909" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000000" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000000_2" TASK_STATUS="FAILED" FINISH_TIME="1313135126529" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_2" START_TIME="1313135122954" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_2" TASK_STATUS="FAILED" FINISH_TIME="1313135129552" HOSTNAME="cx3" ERROR="Error: null" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_3" START_TIME="1313135131936" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="MAP" TASKID="task_201108111938_0002_m_000001" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000001_3" TASK_STATUS="FAILED" FINISH_TIME="1313135135571" HOSTNAME="cx3" ERROR="Error: null" . Task TASKID="task_201108111938_0002_m_000001" TASK_TYPE="MAP" TASK_STATUS="FAILED" FINISH_TIME="1313135135571" ERROR="Error: null" TASK_ATTEMPT_ID="" . Task TASKID="task_201108111938_0002_m_000002" TASK_TYPE="CLEANUP" START_TIME="1313135049879" SPLITS="" . MapAttempt TASK_TYPE="CLEANUP" TASKID="task_201108111938_0002_m_000002" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000002_0" START_TIME="1313135137926" TRACKER_NAME="tracker_cx3:localhost\.localdomain/127\.0\.0\.1:59306" HTTP_PORT="50060" . MapAttempt TASK_TYPE="CLEANUP" TASKID="task_201108111938_0002_m_000002" TASK_ATTEMPT_ID="attempt_201108111938_0002_m_000002_0" TASK_STATUS="SUCCESS" FINISH_TIME="1313135138523" HOSTNAME="/default-rack/cx3" STATE_STRING="cleanup" COUNTERS="{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce Framework)[(SPILLED_RECORDS)(Spilled Records)(0)]}" . Task TASKID="task_201108111938_0002_m_000002" TASK_TYPE="CLEANUP" TASK_STATUS="SUCCESS" FINISH_TIME="1313135052885" COUNTERS="{(org\.apache\.hadoop\.mapred\.Task$Counter)(Map-Reduce Framework)[(SPILLED_RECORDS)(Spilled Records)(0)]}" . Job JOBID="job_201108111938_0002" FINISH_TIME="1313135052885" JOB_STATUS="FAILED" FINISHED_MAPS="0" FINISHED_REDUCES="0" .
-- Regards! Jun Tan At 2011-08-11 19:40:16,"Harsh J" <ha...@cloudera.com> wrote: >Tan, > >Can you check your userlogs via http://host:50030 for your job ID >job_201108111412_0007 and see if any of the tasks carry helpful >messages among its syslogs, stdout and stderr? > >TaskTracker logs are another place to check, if the above doesn't have >anything. > >2011/8/11 谭军 <tanjun_2...@163.com>: >> Hi, >> I got the error information below. What's wrong? What I/O exception? >> >> root@cx1:/home/cx/software/Hadoop/hadoop-0.20.2# bin/hadoop jar >> Retrieval.jar Retrieval protein/b.txt protein/a.txt protein/output >> 11/08/11 18:31:24 WARN mapred.JobClient: Use GenericOptionsParser for >> parsing the arguments. Applications should implement Tool for the same. >> 11/08/11 18:31:24 INFO mapred.FileInputFormat: Total input paths to process >> : 1 >> 11/08/11 18:31:25 INFO mapred.JobClient: Running job: job_201108111412_0007 >> 11/08/11 18:31:26 INFO mapred.JobClient: map 0% reduce 0% >> 11/08/11 18:31:36 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000000_0, Status : FAILED >> Error: null >> 11/08/11 18:31:38 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000001_0, Status : FAILED >> Error: null >> 11/08/11 18:31:43 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000000_ 1, Status : FAILED >> Error: null >> 11/08/11 18:31:45 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000001_1, Status : FAILED >> Error: null >> 11/08/11 18:31:49 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000000_2, Status : FAILED >> Error: null >> 11/08/11 18:31:51 INFO mapred.JobClient: Task Id : >> attempt_201108111412_0007_m_000001_2, Status : FAILED >> Error: null >> 11/08/11 18:31:58 INFO mapred.JobClient: Job complete: job_201108111412_0007 >> 11/08/11 18:31:58 INFO mapred.JobClient: Counters: 3 >> 11/08/11 18:31:58 INFO mapred.JobClient: Job Counters >> 11/08/11 18:31:58 INFO mapred.JobClient: Launched map tasks=8 >> 11/08/11 18:31:58 INFO mapred.JobClient: Data-local map tasks=8 >> 11/08/11 18:31:58 INFO mapred.JobClient: Failed map tasks=1 >> Exception in thread "main" java.io.IOException: Job failed! >> at org.apache.hadoop.mapred.JobClient.run Job(JobClient.java:1252) >> at Retrieval.main(Retrieval.java:41) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> at java.lang.reflect.Method.invoke(Method.java:597) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:156) >> >> -- >> >> Regards! >> >> Jun Tan >> >> > > > >-- >Harsh J