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https://issues.apache.org/jira/browse/YARN-10341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17153590#comment-17153590
 ] 

Hadoop QA commented on YARN-10341:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
21s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {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} 22m 
14s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
28s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
21s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
31s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
16m 18s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
19s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  0m 
55s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
52s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 15s{color} | {color:orange} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core:
 The patch generated 4 new + 15 unchanged - 0 fixed = 19 total (was 15) {color} 
|
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
24s{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} 
15m 25s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
58s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 19m 25s{color} 
| {color:red} hadoop-yarn-services-core in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
29s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 81m  1s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.yarn.service.TestServiceAM |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://builds.apache.org/job/PreCommit-YARN-Build/26256/artifact/out/Dockerfile
 |
| JIRA Issue | YARN-10341 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13007298/YARN-10341.002.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux 13923a5cf4ff 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 
10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 3a4d05b8504 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/26256/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-services_hadoop-yarn-services-core.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/26256/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-applications_hadoop-yarn-services_hadoop-yarn-services-core.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/26256/testReport/ |
| Max. process+thread count | 778 (vs. ulimit of 5500) |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/26256/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |


This message was automatically generated.



> Yarn Service Container Completed event doesn't get processed 
> -------------------------------------------------------------
>
>                 Key: YARN-10341
>                 URL: https://issues.apache.org/jira/browse/YARN-10341
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Bilwa S T
>            Assignee: Bilwa S T
>            Priority: Critical
>         Attachments: YARN-10341.001.patch, YARN-10341.002.patch
>
>
> If there 10 workers running and if containers get killed , after a while we 
> see that there are just 9 workers runnning. This is due to CONTAINER 
> COMPLETED Event is not processed on AM side. 
> Issue is in below code:
> {code:java}
> public void onContainersCompleted(List<ContainerStatus> statuses) {
>       for (ContainerStatus status : statuses) {
>         ContainerId containerId = status.getContainerId();
>         ComponentInstance instance = 
> liveInstances.get(status.getContainerId());
>         if (instance == null) {
>           LOG.warn(
>               "Container {} Completed. No component instance exists. 
> exitStatus={}. diagnostics={} ",
>               containerId, status.getExitStatus(), status.getDiagnostics());
>           return;
>         }
>         ComponentEvent event =
>             new ComponentEvent(instance.getCompName(), CONTAINER_COMPLETED)
>                 .setStatus(status).setInstance(instance)
>                 .setContainerId(containerId);
>         dispatcher.getEventHandler().handle(event);
>       }
> {code}
> If component instance doesnt exist for a container, it doesnt iterate over 
> other containers as its returning from method



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