hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Roman Shaposhnik (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3319) multifilewc from hadoop examples seems to be broken in 0.20.205.0
Date Mon, 31 Oct 2011 21:43:32 GMT
multifilewc from hadoop examples seems to be broken in 0.20.205.0
-----------------------------------------------------------------

                 Key: MAPREDUCE-3319
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3319
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: examples
    Affects Versions: 0.20.205.0
            Reporter: Roman Shaposhnik


{noformat}
/usr/lib/hadoop/bin/hadoop jar /usr/lib/hadoop/hadoop-examples-0.20.205.0.22.jar multifilewc
 examples/text examples-output/multifilewc
11/10/31 16:50:26 INFO mapred.FileInputFormat: Total input paths to process : 2
11/10/31 16:50:26 INFO mapred.JobClient: Running job: job_201110311350_0220
11/10/31 16:50:27 INFO mapred.JobClient:  map 0% reduce 0%
11/10/31 16:50:42 INFO mapred.JobClient: Task Id : attempt_201110311350_0220_m_000000_0, Status
: FAILED
java.lang.ClassCastException: org.apache.hadoop.io.IntWritable cannot be cast to org.apache.hadoop.io.LongWritable
	at org.apache.hadoop.mapred.lib.LongSumReducer.reduce(LongSumReducer.java:44)
	at org.apache.hadoop.mapred.Task$OldCombinerRunner.combine(Task.java:1431)
	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.sortAndSpill(MapTask.java:1436)
	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1298)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:437)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:372)
	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:396)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
	at org.apache.hadoop.mapred.Child.main(Child.java:249)
{noformat}

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira

        

Mime
View raw message