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https://issues.apache.org/jira/browse/HBASE-2026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans resolved HBASE-2026.
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Resolution: Fixed
Assignee: Jean-Daniel Cryans
I'm committing my patch to both branch and trunk as it at least won't throw an
NPE. If someone is ever able to unit test it, that would be great, because I
wasn't able to.
> NPE in StoreScanner on compaction
> ---------------------------------
>
> Key: HBASE-2026
> URL: https://issues.apache.org/jira/browse/HBASE-2026
> Project: Hadoop HBase
> Issue Type: Bug
> Affects Versions: 0.20.2
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Fix For: 0.20.3, 0.21.0
>
> Attachments: HBASE-2026.patch
>
>
> From Zhenyu:
> {code}
> 2009-12-01 00:35:05,321 INFO org.apache.hadoop.hbase.regionserver.HRegion:
> Starting compaction on region ip_info_238,41.214.148.221,1259132082707
> 2009-12-01 00:35:05,572 WARN org.apache.hadoop.hbase.regionserver.Store: Not
> in setorg.apache.hadoop.hbase.regionserver.storescan...@7f821a6c
> 2009-12-01 00:35:05,572 WARN org.apache.hadoop.hbase.regionserver.Store: Not
> in setorg.apache.hadoop.hbase.regionserver.storescan...@7f821a6c
> 2009-12-01 00:35:05,572 ERROR
> org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction failed
> for region ip_info_238,41.214.148.221,1259132082707
> java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.StoreScanner.updateReaders(StoreScanner.java:250)
> at
> org.apache.hadoop.hbase.regionserver.Store.notifyChangedReadersObservers(Store.java:628)
> ...
> {code}
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