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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5931) Validate SleepJob command line parameters
Date Sat, 30 Aug 2014 16:48:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14116470#comment-14116470
] 

Hudson commented on MAPREDUCE-5931:
-----------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1881 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1881/])
MAPREDUCE-5931. Validate SleepJob command line parameters. Contributed by Gera Shegalov (jlowe:
rev 15366d922772afaa9457ed946533cdf4b5d01e2f)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithProfiler.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobs.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRAMWithNonNormalizedCapabilities.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/SleepJob.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/SleepJob.java
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/v2/TestMRJobsWithHistoryService.java


> Validate SleepJob command line parameters
> -----------------------------------------
>
>                 Key: MAPREDUCE-5931
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5931
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 1.2.1, 2.4.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Minor
>             Fix For: 2.6.0
>
>         Attachments: MAPREDUCE-5931.v01.patch, MAPREDUCE-5931.v02.patch, MAPREDUCE-5931.v03.patch,
MAPREDUCE-5931.v04.patch
>
>
> This is a minor issue per se. I had a typo in my script specifying a negative number
of reducers for the SleepJob. It results in the exception that is far from the root cause,
and appeared as a serious issue with the map-side sort.
> {noformat}
> 2014-06-17 21:42:48,072 INFO [main] org.apache.hadoop.mapred.MapTask: Ignoring exception
during close for org.apache.hadoop.mapred.MapTask$NewOutputCollector@972141f
> java.lang.NullPointerException
> 	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1447)
> 	at org.apache.hadoop.mapred.MapTask$NewOutputCollector.close(MapTask.java:700)
> 	at org.apache.hadoop.mapred.MapTask.closeQuietly(MapTask.java:1990)
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:774)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:173)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1626)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
> 2014-06-17 21:42:48,075 WARN [main] org.apache.hadoop.mapred.YarnChild: Exception running
child : java.lang.IllegalArgumentException
> 	at java.nio.ByteBuffer.allocate(ByteBuffer.java:330)
> 	at org.apache.hadoop.mapred.SpillRecord.<init>(SpillRecord.java:51)
> 	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.mergeParts(MapTask.java:1824)
> 	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.flush(MapTask.java:1484)
> 	at org.apache.hadoop.mapred.MapTask$NewOutputCollector.close(MapTask.java:700)
> 	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:770)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:340)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:173)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1626)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:168)
> {noformat}



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