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https://issues.apache.org/jira/browse/MAPREDUCE-6771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497486#comment-15497486
 ] 

Hadoop QA commented on MAPREDUCE-6771:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 14s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
58s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 23s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
19s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 29s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
16s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
35s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 15s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
21s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 19s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red} 0m 19s {color} 
| {color:red} 
hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app 
generated 1 new + 10 unchanged - 0 fixed = 11 total (was 10) {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 15s 
{color} | {color:red} 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app: 
The patch generated 2 new + 226 unchanged - 0 fixed = 228 total (was 226) 
{color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 26s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
13s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
39s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 13s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 49s 
{color} | {color:green} hadoop-mapreduce-client-app in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
16s {color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 21m 40s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:9560f25 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12828906/mapreduce6771.002.patch
 |
| JIRA Issue | MAPREDUCE-6771 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux b492be6fb499 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 |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 0e68e14 |
| Default Java | 1.8.0_101 |
| findbugs | v3.0.0 |
| javac | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6723/artifact/patchprocess/diff-compile-javac-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6723/artifact/patchprocess/diff-checkstyle-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-app.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6723/testReport/ |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6723/console |
| Powered by | Apache Yetus 0.3.0   http://yetus.apache.org |


This message was automatically generated.



> RMContainerAllocator sends container diagnostics event after corresponding 
> completion event
> -------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6771
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6771
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.7.3
>            Reporter: Haibo Chen
>            Assignee: Haibo Chen
>         Attachments: TaUnsuccessfullyEventEmission.jpg, 
> mapreduce6771.001.patch, mapreduce6771.002.patch
>
>
> Task containers can go over their resource limit, and killed by Node Manager. 
> Then MR AM gets notified of the container status and diagnostics information 
> through its heartbeat with RM.  However, it is possible that the diagnostics 
> information never gets into .jhist file, so when the job completes, the 
> diagnostics information associated with the failed task attempts is empty.  
> This makes it hard for users to root cause job failures that are often caused 
> by memory leak.



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