[jira] [Commented] (MAPREDUCE-5931) Validate SleepJob command line parameters

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14035038#comment-14035038 ] 

Hadoop QA commented on MAPREDUCE-5931:
--------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12650969/MAPREDUCE-5931.v01.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The following test timeouts occurred in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:

org.apache.hadoop.mapred.pipes.TestPipeApplication

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4669//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4669//console

This message is automatically generated.

> 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
>         Attachments: MAPREDUCE-5931.v01.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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