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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5097) NPE in Separator.joinEncoded()
Date Mon, 23 May 2016 23:19:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297326#comment-15297326
] 

Sangjin Lee commented on YARN-5097:
-----------------------------------

Thanks [~vrushalic]. I understand Joep also was suggesting a logging statement (with the logger)...

> 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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