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https://issues.apache.org/jira/browse/YARN-10820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17370151#comment-17370151
 ] 

Hadoop QA commented on YARN-10820:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime ||  Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
34s{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:blue}0{color} | {color:blue} codespell {color} | {color:blue}  0m  
1s{color} |  | {color:blue} codespell was not available. {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: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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 35m 
37s{color} |  | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
49s{color} |  | {color:green} trunk passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
42s{color} |  | {color:green} trunk passed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
36s{color} |  | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
47s{color} |  | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
47s{color} |  | {color:green} trunk passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
45s{color} |  | {color:green} trunk passed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green}  1m 
36s{color} |  | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m 45s{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 
37s{color} |  | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
40s{color} |  | {color:green} the patch passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
40s{color} |  | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
34s{color} |  | {color:green} the patch passed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
34s{color} |  | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} blanks {color} | {color:red}  0m  
0s{color} | 
[/blanks-eol.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3142/2/artifact/out/blanks-eol.txt]
 | {color:red} The patch has 1 line(s) that end in blanks. Use git apply 
--whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply 
{color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 25s{color} | 
[/results-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common.txt|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3142/2/artifact/out/results-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-common.txt]
 | {color:orange} hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common: The patch 
generated 1 new + 6 unchanged - 1 fixed = 7 total (was 7) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
37s{color} |  | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
36s{color} |  | {color:green} the patch passed with JDK 
Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
37s{color} |  | {color:green} the patch passed with JDK Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 {color} |
| {color:green}+1{color} | {color:green} spotbugs {color} | {color:green}  1m 
35s{color} |  | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red}  2m 
51s{color} |  | {color:red} patch has errors when building and testing our 
client artifacts. {color} |
|| || || || {color:brown} Other Tests {color} || ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  4m 
38s{color} |  | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
28s{color} |  | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 70m 43s{color} | 
 | {color:black}{color} |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3142/2/artifact/out/Dockerfile
 |
| GITHUB PR | https://github.com/apache/hadoop/pull/3142 |
| JIRA Issue | YARN-10820 |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite 
unit shadedclient spotbugs checkstyle codespell |
| uname | Linux 32e4ed60836b 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 | dev-support/bin/hadoop.sh |
| git revision | trunk / dd9e93b21e60b080135091ad18ed3f6fdcf7cadc |
| Default Java | Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
| Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10 |
|  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3142/2/testReport/ |
| Max. process+thread count | 699 (vs. ulimit of 5500) |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common |
| Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3142/2/console |
| versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
| Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |


This message was automatically generated.



> Make GetClusterNodesRequestPBImpl thread safe
> ---------------------------------------------
>
>                 Key: YARN-10820
>                 URL: https://issues.apache.org/jira/browse/YARN-10820
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: client
>    Affects Versions: 3.1.0, 3.3.0
>            Reporter: Prabhu Joseph
>            Assignee: SwathiChandrashekar
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> yarn node list intermittently fails with below
> {code:java}
> 2021-06-13 11:26:42,316 WARN client.RequestHedgingRMFailoverProxyProvider: 
> Invocation returned exception: java.lang.ArrayIndexOutOfBoundsException: 1 on 
> [resourcemanager-1], so propagating back to caller.
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 1
>  at java.util.ArrayList.add(ArrayList.java:465)
>  at 
> org.apache.hadoop.yarn.proto.YarnServiceProtos$GetClusterNodesRequestProto$Builder.addAllNodeStates(YarnServiceProtos.java:28009)
>  at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToBuilder(GetClusterNodesRequestPBImpl.java:124)
>  at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToProto(GetClusterNodesRequestPBImpl.java:82)
>  at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.getProto(GetClusterNodesRequestPBImpl.java:56)
>  at 
> org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterNodes(ApplicationClientProtocolPBClientImpl.java:329)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:498)
>  at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
>  at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
>  at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
>  at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
>  at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
>  at com.sun.proxy.$Proxy8.getClusterNodes(Unknown Source)
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.lang.reflect.Method.invoke(Method.java:498)
>  at 
> org.apache.hadoop.yarn.client.RequestHedgingRMFailoverProxyProvider$RMRequestHedgingInvocationHandler$1.call(RequestHedgingRMFailoverProxyProvider.java:159)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>  at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748)
> 2021-06-13 11:27:58,415 WARN client.RequestHedgingRMFailoverProxyProvider: 
> Invocation returned exception: java.lang.UnsupportedOperationException on 
> [resourcemanager-0], so propagating back to caller.
> Exception in thread "main" java.lang.UnsupportedOperationException
>         at 
> java.util.Collections$UnmodifiableCollection.add(Collections.java:1057)
>         at 
> org.apache.hadoop.yarn.proto.YarnServiceProtos$GetClusterNodesRequestProto$Builder.addAllNodeStates(YarnServiceProtos.java:28009)
>         at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToBuilder(GetClusterNodesRequestPBImpl.java:124)
>         at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.mergeLocalToProto(GetClusterNodesRequestPBImpl.java:82)
>         at 
> org.apache.hadoop.yarn.api.protocolrecords.impl.pb.GetClusterNodesRequestPBImpl.getProto(GetClusterNodesRequestPBImpl.java:56)
>         at 
> org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getClusterNodes(ApplicationClientProtocolPBClientImpl.java:329)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
>         at 
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
>         at com.sun.proxy.$Proxy8.getClusterNodes(Unknown Source)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at 
> org.apache.hadoop.yarn.client.RequestHedgingRMFailoverProxyProvider$RMRequestHedgingInvocationHandler$1.call(RequestHedgingRMFailoverProxyProvider.java:159)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:748)
>   {code}
>  



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