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https://issues.apache.org/jira/browse/YARN-6955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115707#comment-16115707
 ] 

Hadoop QA commented on YARN-6955:
---------------------------------

| (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 
19s{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 2 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
47s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 15m 
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 
35s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
59s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  4m 
26s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-yarn-project/hadoop-yarn {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 
49s{color} | {color:red} 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 in trunk has 5 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
15s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
10s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  3m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  5m 
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  5m 
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m 
48s{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} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
0s{color} | {color:blue} Skipped patched modules with no Java source: 
hadoop-yarn-project/hadoop-yarn {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
12s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 69m 52s{color} 
| {color:red} hadoop-yarn in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
29s{color} | {color:green} hadoop-yarn-server-common in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 13m 
50s{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
30s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}146m 14s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.yarn.server.timelineservice.storage.TestHBaseTimelineStorageEntities |
|   | hadoop.yarn.server.timelineservice.storage.TestHBaseTimelineStorageApps |
|   | hadoop.yarn.server.resourcemanager.security.TestDelegationTokenRenewer |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:14b5c93 |
| JIRA Issue | YARN-6955 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12880544/YARN-6955.v2.patch |
| Optional Tests |  asflicense  findbugs  xml  compile  javac  javadoc  
mvninstall  mvnsite  unit  checkstyle  |
| uname | Linux e88e993ca6b2 3.13.0-119-generic #166-Ubuntu SMP Wed May 3 
12:18:55 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 024c3ec |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC1 |
| findbugs | 
https://builds.apache.org/job/PreCommit-YARN-Build/16722/artifact/patchprocess/branch-findbugs-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-nodemanager-warnings.html
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/16722/artifact/patchprocess/patch-unit-hadoop-yarn-project_hadoop-yarn.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/16722/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager
 U: hadoop-yarn-project/hadoop-yarn |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/16722/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Concurrent registerAM thread in Federation Interceptor
> ------------------------------------------------------
>
>                 Key: YARN-6955
>                 URL: https://issues.apache.org/jira/browse/YARN-6955
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>         Attachments: YARN-6955.v1.patch, YARN-6955.v2.patch
>
>
>  The timeout between AM and AMRMProxy is shorter than the timeout + failOver 
> between FederationInterceptor (AMRMProxy) and RM. When the first register 
> thread in FI is blocked because of an RM failover, AM can timeout and resend 
> register call, leading to two outstanding register call inside FI. 
> Eventually when RM comes back up, one thread succeeds register and the other 
> thread got an application already registered exception. FI should swallow the 
> exception and return success back to AM in both threads. 



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