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https://issues.apache.org/jira/browse/HBASE-2026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12785478#action_12785478
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Jean-Daniel Cryans commented on HBASE-2026:
-------------------------------------------
Easy fix I'm not sure... We could check for null and then not set the row but
I'm not sure what's going to be the resulting behavior. I'm also not even sure
how we can get into that state, I'll try to write a unit test.
> 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
> Fix For: 0.20.3, 0.21.0
>
>
> 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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