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https://issues.apache.org/jira/browse/YARN-8922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16657507#comment-16657507
 ] 

Hadoop QA commented on YARN-8922:
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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 
30s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 25m 
17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
50s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
40m 35s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
44s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
40s{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} shadedclient {color} | {color:green} 
14m 48s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 19m  8s{color} 
| {color:red} hadoop-yarn-server-nodemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
26s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 78m 45s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | YARN-8922 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12944800/YARN-8922.001.patch |
| Optional Tests |  dupname  asflicense  compile  cc  mvnsite  javac  unit  |
| uname | Linux e68063fd530f 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14 
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / e2cecb6 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/22260/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/22260/testReport/ |
| Max. process+thread count | 306 (vs. ulimit of 10000) |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/22260/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Fix test-container-executor
> ---------------------------
>
>                 Key: YARN-8922
>                 URL: https://issues.apache.org/jira/browse/YARN-8922
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 3.3.0
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>            Priority: Major
>         Attachments: YARN-8922.001.patch
>
>
> YARN-8448 attempted to fix the {{test-container-executor}} C test to be able 
> to run as root.  The test claims that it should be possible to run as root; 
> in fact, there are some tests that only run if you use root.  
> One of the fixes was to change the permissions of the test's config dir to 
> 0777 from 0755.  The problem was that the directory was owned by root, but 
> then other users would need to write files/directories under it, which would 
> fail with 0755.  YARN-8448 fixed this by making it 0777.  However, this 
> breaks running cetest because it expects the directory to be 0755, and it's 
> run afterwards.
> The proper fix for all this is to leave the directory at 0755, but to make 
> sure it's owned by the "nodemanager" user.  Confusingly, in 
> {{test-container-executor}}, that appears to be the {{username}} and not the 
> {{yarn_username}} (i.e. {{username}} is the user running the NM while 
> {{yarn_username}} is just some user running a Yarn app).



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