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https://issues.apache.org/jira/browse/MAPREDUCE-6472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744418#comment-14744418
 ] 

Hadoop QA commented on MAPREDUCE-6472:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 15s | Findbugs (version ) appears to 
be broken on trunk. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 1 new or modified test files. |
| {color:green}+1{color} | javac |   7m 53s | There were no new javac warning 
messages. |
| {color:green}+1{color} | javadoc |   9m 57s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 24s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 25s | There were no new checkstyle 
issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 37s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 35s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   0m 50s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | mapreduce tests | 116m 10s | Tests failed in 
hadoop-mapreduce-client-jobclient. |
| | | 154m 13s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.mapred.TestNetworkedJob |
| Timed out tests | 
org.apache.hadoop.mapreduce.lib.output.TestJobOutputCommitter |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12755788/MAPREDUCE-6472.20150914-2.patch
 |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 6955771 |
| hadoop-mapreduce-client-jobclient test log | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5989/artifact/patchprocess/testrun_hadoop-mapreduce-client-jobclient.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5989/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf902.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP 
PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5989/console |


This message was automatically generated.

> MapReduce AM should have java.io.tmpdir=./tmp to be consistent with tasks
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6472
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6472
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.6.0
>            Reporter: Jason Lowe
>            Assignee: Naganarasimha G R
>         Attachments: MAPREDUCE-6472.20150914-1.patch, 
> MAPREDUCE-6472.20150914-2.patch
>
>
> MapReduceChildJVM.getVMCommand ensures that all tasks have 
> -Djava.io.tmpdir=./tmp set as part of the task command-line, but this is only 
> used for tasks.  The AM itself does not have a corresponding java.io.tmpdir 
> setting.  It should also use the same tmpdir setting to avoid cases where the 
> AM JVM wants to place files in /tmp by default.



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