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https://issues.apache.org/jira/browse/YARN-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vrushali C updated YARN-5097:
-----------------------------
Attachment: YARN-5097-YARN-2928.04.patch
Attaching patch with logging statement at WARN level.
Also, I was looking into the findbugs message. Running it with debug prints out
{code}
[DEBUG] ****** FindBugsMojo execute *******
[DEBUG] XML outputFile is
/Users/vchannapattan/Vrushali/code/Q22016/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice-hbase-tests/target/findbugsXml.xml
[DEBUG] Generating Findbugs XML
[DEBUG] Inside canGenerateReport..... false
[DEBUG] canGenerate is false
{code}
I searched online and found a few things:
- there was an issue where findbugs would not generate anything for projects
with only test classes
http://mojo.10943.n7.nabble.com/jira-Created-MFINDBUGS-132-Findbugs-doesn-t-run-on-projects-containing-only-test-classes-td13364.html
- this was fixed in 2.3.2
- there needs to be some "includeTests" parameter set somewhere to invoke
findbugs, am still searching how to set it
> 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,
> YARN-5097-YARN-2928.04.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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