[ 
https://issues.apache.org/jira/browse/YARN-8409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524552#comment-16524552
 ] 

genericqa commented on YARN-8409:
---------------------------------

| (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 
32s{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: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} 26m 
18s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
42s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
13s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
45s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
11m 54s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m  
9s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
27s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
42s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
 9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
41s{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} 
12m 14s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
25s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 68m 54s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}127m 29s{color} | 
{color:black} {color} |
\\
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.yarn.server.resourcemanager.applicationsmanager.TestAMRestart |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:abb62dd |
| JIRA Issue | YARN-8409 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12929301/YARN-8409.001.patch |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 218feda4cf95 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 62d83ca |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_171 |
| findbugs | v3.1.0-RC1 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/21122/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/21122/testReport/ |
| Max. process+thread count | 856 (vs. ulimit of 10000) |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/21122/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> ActiveStandbyElectorBasedElectorService is failing with NPE
> -----------------------------------------------------------
>
>                 Key: YARN-8409
>                 URL: https://issues.apache.org/jira/browse/YARN-8409
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.1.1
>            Reporter: Yesha Vora
>            Assignee: Chandni Singh
>            Priority: Major
>         Attachments: YARN-8409.001.patch
>
>
> In RM-HA env, kill ZK leader and then perform RM failover. 
> Sometimes, active RM gets NPE and fail to come up successfully
> {code:java}
> 2018-06-08 10:31:03,007 INFO  client.ZooKeeperSaslClient 
> (ZooKeeperSaslClient.java:run(289)) - Client will use GSSAPI as SASL 
> mechanism.
> 2018-06-08 10:31:03,008 INFO  zookeeper.ClientCnxn 
> (ClientCnxn.java:logStartConnect(1019)) - Opening socket connection to server 
> xxx/xxx:2181. Will attempt to SASL-authenticate using Login Context section 
> 'Client'
> 2018-06-08 10:31:03,009 WARN  zookeeper.ClientCnxn 
> (ClientCnxn.java:run(1146)) - Session 0x0 for server null, unexpected error, 
> closing socket connection and attempting reconnect
> java.net.ConnectException: Connection refused
> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
> at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
> at 
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1125)
> 2018-06-08 10:31:03,344 INFO  service.AbstractService 
> (AbstractService.java:noteFailure(267)) - Service 
> org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService
>  failed in state INITED
> java.lang.NullPointerException
> at 
> org.apache.hadoop.ha.ActiveStandbyElector$3.run(ActiveStandbyElector.java:1033)
> at 
> org.apache.hadoop.ha.ActiveStandbyElector$3.run(ActiveStandbyElector.java:1030)
> at 
> org.apache.hadoop.ha.ActiveStandbyElector.zkDoWithRetries(ActiveStandbyElector.java:1095)
> at 
> org.apache.hadoop.ha.ActiveStandbyElector.zkDoWithRetries(ActiveStandbyElector.java:1087)
> at 
> org.apache.hadoop.ha.ActiveStandbyElector.createWithRetries(ActiveStandbyElector.java:1030)
> at 
> org.apache.hadoop.ha.ActiveStandbyElector.ensureParentZNode(ActiveStandbyElector.java:347)
> at 
> org.apache.hadoop.yarn.server.resourcemanager.ActiveStandbyElectorBasedElectorService.serviceInit(ActiveStandbyElectorBasedElectorService.java:110)
> at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at 
> org.apache.hadoop.service.CompositeService.serviceInit(CompositeService.java:108)
> at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceInit(ResourceManager.java:336)
> at org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
> at 
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.main(ResourceManager.java:1479)
> 2018-06-08 10:31:03,345 INFO  ha.ActiveStandbyElector 
> (ActiveStandbyElector.java:quitElection(409)) - Yielding from election{code}



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