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https://issues.apache.org/jira/browse/HBASE-20599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479489#comment-16479489
 ] 

Josh Elser commented on HBASE-20599:
------------------------------------

Oops, my bad, Stack. This is on master, not branch-2 stuff. Some of the 
lower-latency space quota improvements didn't land on 2.x

> NPE in HRegionServer.reportFileArchivalForQuotas
> ------------------------------------------------
>
>                 Key: HBASE-20599
>                 URL: https://issues.apache.org/jira/browse/HBASE-20599
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>             Fix For: 3.0.0
>
>
> Straightforward NPE while a RS is going down:
> {noformat}
> java.io.IOException: java.lang.NullPointerException
>       at 
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1622)
>       at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1450)
>       at 
> org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:104)
>       at 
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.NullPointerException
>       at 
> org.apache.hadoop.hbase.regionserver.HRegionServer.reportFileArchivalForQuotas(HRegionServer.java:3688)
>       at 
> org.apache.hadoop.hbase.regionserver.HStore.reportArchivedFilesForQuota(HStore.java:2691)
>       at 
> org.apache.hadoop.hbase.regionserver.HStore.removeCompactedfiles(HStore.java:2622)
>       at org.apache.hadoop.hbase.regionserver.HStore.close(HStore.java:902)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:1600)
>       at 
> org.apache.hadoop.hbase.regionserver.HRegion$2.call(HRegion.java:1597)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>       ... 3 more{noformat}
> FYI [~stack]



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