Sangjin Lee created YARN-5097:
---------------------------------
Summary: 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
Priority: Critical
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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