Hi Harsh, I cannot visithttp://host:50030 I don't know why. The hadoop is installed by others.
-- 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
