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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3319) multifilewc from hadoop examples seems to be broken in 0.20.205.0
Date Tue, 06 Dec 2011 10:33:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13163508#comment-13163508
] 

Hadoop QA commented on MAPREDUCE-3319:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12506241/MAPREDUCE-3319.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1399//console

This message is automatically generated.
                
> 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
>            Assignee: Subroto Sanyal
>            Priority: Blocker
>              Labels: bigtop
>             Fix For: 1.0.0
>
>         Attachments: MAPREDUCE-3319.patch
>
>
> {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}

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