[ 
https://issues.apache.org/jira/browse/YARN-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297447#comment-15297447
 ] 

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} 0m 16s 
{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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 20s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
41s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 28s 
{color} | {color:green} YARN-2928 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 38s 
{color} | {color:green} YARN-2928 passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
29s {color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 46s 
{color} | {color:green} YARN-2928 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
32s {color} | {color:green} YARN-2928 passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 13s 
{color} | {color:red} 
branch/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 no findbugs output file 
(hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/target/findbugsXml.xml)
 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s 
{color} | {color:green} YARN-2928 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 30s 
{color} | {color:green} YARN-2928 passed with JDK v1.7.0_101 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
36s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 17s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 17s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 29s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 29s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
25s {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} mvneclipse {color} | {color:green} 0m 
28s {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:red}-1{color} | {color:red} findbugs {color} | {color:red} 0m 12s 
{color} | {color:red} 
patch/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
 no findbugs output file 
(hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/target/findbugsXml.xml)
 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 21s 
{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 26s 
{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 40s 
{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} 3m 24s 
{color} | {color:green} hadoop-yarn-server-timelineservice-hbase-tests in the 
patch passed with JDK v1.8.0_91. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 47s 
{color} | {color:green} hadoop-yarn-server-timelineservice in the patch passed 
with JDK v1.7.0_101. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m 38s 
{color} | {color:green} hadoop-yarn-server-timelineservice-hbase-tests in the 
patch passed with JDK v1.7.0_101. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
20s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 31m 39s {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/12805769/YARN-5097-YARN-2928.03.patch
 |
| JIRA Issue | YARN-5097 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 4373e91abab9 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/11643/testReport/ |
| modules | C:  
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice
   
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests
  U: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server |
| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/11643/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, 
> YARN-5097-YARN-2928.02.patch, YARN-5097-YARN-2928.03.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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