[ 
https://issues.apache.org/jira/browse/YARN-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15292736#comment-15292736
 ] 

Hadoop QA commented on YARN-5097:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 8m 19s 
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
51s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s 
{color} | {color:green} YARN-2928 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 19s 
{color} | {color:green} YARN-2928 passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
15s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 25s 
{color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
15s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
37s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 15s 
{color} | {color:green} YARN-2928 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s 
{color} | {color:green} YARN-2928 passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
20s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 14s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 14s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 16s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
13s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 23s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
48s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 43s 
{color} | {color:green} hadoop-yarn-server-timelineservice in the patch passed 
with JDK v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 50s 
{color} | {color:green} hadoop-yarn-server-timelineservice in the patch passed 
with JDK v1.7.0_101. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
21s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 24m 48s {color} 
| {color:black} {color} |
\\
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:cf2ee45 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12805127/YARN-5097-YARN-2928.01.patch
 |
| JIRA Issue | YARN-5097 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 7c8600f4f9cb 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | YARN-2928 / 2c93006 |
| Default Java | 1.7.0_101 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_91 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_101 |
| findbugs | v3.0.0 |
| JDK v1.7.0_101  Test Results | 
https://builds.apache.org/job/PreCommit-YARN-Build/11584/testReport/ |
| modules | C: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice
 U: 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice
 |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/11584/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> NPE in Separator.joinEncoded()
> ------------------------------
>
>                 Key: YARN-5097
>                 URL: https://issues.apache.org/jira/browse/YARN-5097
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Vrushali C
>            Priority: Critical
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-5097-YARN-2928.01.patch
>
>
> Both in the RM log and the NM log, I see the following exception thrown. 
> First for RM,
> {noformat}
> 2016-05-16 14:19:29,930 ERROR 
> org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector: 
> Error aggregating timeline metrics
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator.joinEncoded(Separator.java:249)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.application.ApplicationRowKey.getRowKey(ApplicationRowKey.java:110)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriterImpl.write(HBaseTimelineWriterImpl.java:131)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector$AppLevelAggregator.run(AppLevelTimelineCollector.java:136)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>       at 
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
>       at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>       at java.lang.Thread.run(Thread.java:722)
> {noformat}
> In the NM log, I see a similar exception:
> {noformat}
> 2016-05-16 14:54:23,116 ERROR 
> org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector: 
> Error aggregating timeline metrics
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator.joinEncoded(Separator.java:249)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.application.ApplicationRowKey.getRowKey(ApplicationRowKey.java:110)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.storage.HBaseTimelineWriterImpl.write(HBaseTimelineWriterImpl.java:131)
>       at 
> org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector$AppLevelAggregator.run(AppLevelTimelineCollector.java:136)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>       at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>       at java.lang.Thread.run(Thread.java:745)
> {noformat}



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