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https://issues.apache.org/jira/browse/YARN-7145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114012#comment-17114012
 ] 

Hadoop QA commented on YARN-7145:
---------------------------------

| (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 
46s{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  
1s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  
0s{color} | {color:red} The patch doesn't appear to include any new or modified 
tests. Please justify why no new tests are needed for this patch. Also please 
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  2m 
21s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 
19s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  8m 
23s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
26s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
51s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
18m 26s{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}  2m 
19s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  1m 
53s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  5m  
8s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
28s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  7m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  7m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
27s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
38s{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 26s{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}  2m 
18s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
36s{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  1m 
56s{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m 
19s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 41m 11s{color} 
| {color:red} hadoop-yarn-server-nodemanager in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}104m 45s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
56s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}248m 20s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| FindBugs | 
module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 |
|  |  Dead store to x in new 
org.apache.hadoop.yarn.server.nodemanager.NodeManager()  At 
NodeManager.java:new org.apache.hadoop.yarn.server.nodemanager.NodeManager()  
At NodeManager.java:[line 162] |
| FindBugs | 
module:hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
|  |  Dead store to x in new 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager()  At 
ResourceManager.java:new 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager()  At 
ResourceManager.java:[line 234] |
| Failed junit tests | 
hadoop.yarn.server.nodemanager.containermanager.TestContainerManagerRecovery |
|   | hadoop.yarn.server.nodemanager.containermanager.TestContainerManager |
|   | 
hadoop.yarn.server.nodemanager.containermanager.scheduler.TestContainerSchedulerQueuing
 |
|   | hadoop.yarn.server.resourcemanager.ahs.TestRMApplicationHistoryWriter |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairSchedulerPreemption |
|   | hadoop.yarn.server.resourcemanager.scheduler.TestSchedulerHealth |
|   | hadoop.yarn.server.resourcemanager.TestRMRestart |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/artifact/out/Dockerfile
 |
| JIRA Issue | YARN-7145 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12884973/YARN-7145.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient findbugs checkstyle |
| uname | Linux 0c8557527dce 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 
11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 4734c77b4b6 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/artifact/out/new-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.html
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/artifact/out/new-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/testReport/ |
| Max. process+thread count | 892 (vs. ulimit of 5500) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: hadoop-yarn-project/hadoop-yarn |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/26061/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.



> Identify potential flaky unit tests
> -----------------------------------
>
>                 Key: YARN-7145
>                 URL: https://issues.apache.org/jira/browse/YARN-7145
>             Project: Hadoop YARN
>          Issue Type: Test
>          Components: nodemanager, resourcemanager
>            Reporter: Miklos Szegedi
>            Priority: Minor
>              Labels: newbie
>         Attachments: YARN-7145.000.patch, YARN-7145.001.patch
>
>
> I intend to add a 200 milliseconds sleep into AsyncDispatcher, and run the 
> job to identify the tests that are potentially flaky.



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