Josh Elser created HBASE-20599:
----------------------------------

             Summary: 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
             Fix For: 2.1.0, 2.0.1


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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