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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-14948) NPE in regionserverReport causing RS abort
Date Tue, 08 Dec 2015 18:54:11 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar resolved HBASE-14948.
-----------------------------------
    Resolution: Duplicate

Resolving as duplicate of HBASE-14632. Thanks Ted. 

> NPE in regionserverReport causing RS abort
> ------------------------------------------
>
>                 Key: HBASE-14948
>                 URL: https://issues.apache.org/jira/browse/HBASE-14948
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Enis Soztutar
>
> As seen in one of the runs: 
> {code}
> 2015-12-07 13:36:03,443 FATAL [regionserver//10.0.0.14:16020] regionserver.HRegionServer:
ABORTING region server 10.0.0.14,16020,1449495285079: Unhandled: null
> java.lang.NullPointerException
>   at org.apache.hadoop.hbase.regionserver.HStore.getTotalStaticIndexSize(HStore.java:2068)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.createRegionLoad(HRegionServer.java:1451)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.buildServerLoad(HRegionServer.java:1189)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.tryRegionServerReport(HRegionServer.java:1132)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:949)
>   at java.lang.Thread.run(Thread.java:745)
> {code}
> I think there is a race between closing the region, and the region server report accessing
the region metrics for the report. 
> A region was closing just before this timestamp: 
> {code}
> 2015-12-07 13:36:03,433 DEBUG [RS_CLOSE_REGION-10.0.0.14:16020-2] handler.CloseRegionHandler:
Processing close of IntegrationTestRegionReplicaReplication,9eb851cf,1449493871303.6a0b324df1d9c2eba5fa700c2e60d5e4.
> 2015-12-07 13:36:03,435 DEBUG [RS_CLOSE_REGION-10.0.0.14:16020-2] regionserver.HRegion:
Closing IntegrationTestRegionReplicaReplication,9eb851cf,1449493871303.6a0b324df1d9c2eba5fa700c2e60d5e4.:
disabling compactions & flushes
> 2015-12-07 13:36:03,435 DEBUG [RS_CLOSE_REGION-10.0.0.14:16020-2] regionserver.HRegion:
Updates disabled for region IntegrationTestRegionReplicaReplication,9eb851cf,1449493871303.6a0b324df1d9c2eba5fa700c2e60d5e4.
> {code}



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