[ 
https://issues.apache.org/jira/browse/YARN-7371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16236473#comment-16236473
 ] 

Hadoop QA commented on YARN-7371:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 15m 
21s{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 4 new or modified test 
files. {color} |
|| || || || {color:brown} yarn-native-services Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue}  0m 
54s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 13m 
59s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  9m 
43s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 4s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  3m  
2s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 16s{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}  4m 
53s{color} | {color:green} yarn-native-services passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
17s{color} | {color:green} yarn-native-services 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}  2m 
13s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  6m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  6m  
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  6m  
9s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
1m  2s{color} | {color:orange} hadoop-yarn-project/hadoop-yarn: The patch 
generated 11 new + 436 unchanged - 0 fixed = 447 total (was 436) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  2m 
55s{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}  
9m 40s{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}  5m 
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  2m 
15s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
44s{color} | {color:green} hadoop-yarn-common in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  1m 
56s{color} | {color:green} hadoop-yarn-server-common in the patch passed. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 16m 14s{color} 
| {color:red} hadoop-yarn-server-nodemanager in the patch failed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 47m 56s{color} 
| {color:red} hadoop-yarn-server-resourcemanager in the patch failed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  3m 
25s{color} | {color:green} hadoop-yarn-services-core in the patch passed. 
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
27s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}165m  5s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.yarn.server.nodemanager.scheduler.TestDistributedScheduler |
|   | 
hadoop.yarn.server.nodemanager.containermanager.logaggregation.TestLogAggregationService
 |
|   | hadoop.yarn.server.resourcemanager.ahs.TestRMApplicationHistoryWriter |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestIncreaseAllocationExpirer
 |
|   | hadoop.yarn.server.resourcemanager.TestApplicationMasterService |
|   | 
hadoop.yarn.server.resourcemanager.scheduler.capacity.TestContainerAllocation |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppAttempt |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler |
|   | hadoop.yarn.server.resourcemanager.TestWorkPreservingRMRestart |
|   | hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppStarvation |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:0de40f0 |
| JIRA Issue | YARN-7371 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12895293/YARN-7371-yarn-native-services.005.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  cc  |
| uname | Linux f0fd64690087 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 
12:48:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | yarn-native-services / ea4df10 |
| maven | version: Apache Maven 3.3.9 
(bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T16:41:47+00:00) |
| Default Java | 1.8.0_151 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-YARN-Build/18308/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-YARN-Build/18308/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/18308/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/18308/testReport/ |
| modules | C: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-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
 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core
 U: hadoop-yarn-project/hadoop-yarn |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/18308/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> NPE in ServiceMaster after RM is restarted and then the ServiceMaster is 
> killed
> -------------------------------------------------------------------------------
>
>                 Key: YARN-7371
>                 URL: https://issues.apache.org/jira/browse/YARN-7371
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Chandni Singh
>            Assignee: Chandni Singh
>            Priority: Major
>         Attachments: YARN-7371-yarn-native-services.001.patch, 
> YARN-7371-yarn-native-services.002.patch, 
> YARN-7371-yarn-native-services.003.patch, 
> YARN-7371-yarn-native-services.004.patch, 
> YARN-7371-yarn-native-services.005.patch
>
>
> java.lang.NullPointerException
> at 
> org.apache.hadoop.yarn.service.ServiceScheduler.recoverComponents(ServiceScheduler.java:313)
> at 
> org.apache.hadoop.yarn.service.ServiceScheduler.serviceStart(ServiceScheduler.java:265)
> at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
> at 
> org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:121)
> at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
> at org.apache.hadoop.yarn.service.ServiceMaster.main(ServiceMaster.java:150)
> Steps:
> 1. Stopped RM and then started it
> 2. Application was still running
> 3. Killed the ServiceMaster to check if it recovers
> 4. Next attempt failed with the above exception



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