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https://issues.apache.org/jira/browse/YARN-4309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045444#comment-15045444
 ] 

Hadoop QA commented on YARN-4309:
---------------------------------

| (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 0s 
{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} 8m 
2s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 4s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 17s 
{color} | {color:green} trunk passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
29s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 34s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
39s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m 
48s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 31s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 49s 
{color} | {color:green} trunk passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 
31s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 15s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 15s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 16s 
{color} | {color:green} the patch passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 16s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 29s 
{color} | {color:red} Patch generated 4 new checkstyle issues in 
hadoop-yarn-project/hadoop-yarn (total was 358, now 359). {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 34s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
39s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 0s 
{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 9s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 27s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 58s 
{color} | {color:green} the patch passed with JDK v1.7.0_85 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 27s 
{color} | {color:green} hadoop-yarn-api in the patch passed with JDK v1.8.0_66. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 8s 
{color} | {color:green} hadoop-yarn-common in the patch passed with JDK 
v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 18s 
{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed with 
JDK v1.8.0_66. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 27s 
{color} | {color:green} hadoop-yarn-api in the patch passed with JDK v1.7.0_85. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 22s 
{color} | {color:green} hadoop-yarn-common in the patch passed with JDK 
v1.7.0_85. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 30s 
{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed with 
JDK v1.7.0_85. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
25s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 68m 40s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12776134/YARN-4309.008.patch |
| JIRA Issue | YARN-4309 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  xml  |
| uname | Linux fff8fc3650b5 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 / 01a641b |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/9887/artifact/patchprocess/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt
 |
| JDK v1.7.0_85  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/9887/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 U: hadoop-yarn-project/hadoop-yarn |
| Max memory used | 76MB |
| Powered by | Apache Yetus    http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/9887/console |


This message was automatically generated.



> Add debug information to application logs when a container fails
> ----------------------------------------------------------------
>
>                 Key: YARN-4309
>                 URL: https://issues.apache.org/jira/browse/YARN-4309
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: YARN-4309.001.patch, YARN-4309.002.patch, 
> YARN-4309.003.patch, YARN-4309.004.patch, YARN-4309.005.patch, 
> YARN-4309.006.patch, YARN-4309.007.patch, YARN-4309.008.patch
>
>
> Sometimes when a container fails, it can be pretty hard to figure out why it 
> failed.
> My proposal is that if a container fails, we collect information about the 
> container local dir and dump it into the container log dir. Ideally, I'd like 
> to tar up the directory entirely, but I'm not sure of the security and space 
> implications of such a approach. At the very least, we can list all the files 
> in the container local dir, and dump the contents of launch_container.sh(into 
> the container log dir).
> When log aggregation occurs, all this information will automatically get 
> collected and make debugging such failures much easier.



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