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https://issues.apache.org/jira/browse/HBASE-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680908#action_12680908
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stack commented on HBASE-1256:
------------------------------
When did you update last Clint? Did you have hbase-1219 and hbase-1220 fixes
in your install?
> NPE in StoreFileScanner durring cache flush
> -------------------------------------------
>
> Key: HBASE-1256
> URL: https://issues.apache.org/jira/browse/HBASE-1256
> Project: Hadoop HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.19.0
> Environment: latest branch of 0.19 with some unrelated transactional
> fixes.
> Master, regionserver, and client all in the same JVM
> Reporter: Clint Morgan
>
> About an hour into a bulk upload I'm consistently getting:
> org.apache.hadoop.hbase.DroppedSnapshotException: region:
> net_troove_coin_transaction_Transaction,,1236293201543
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:902)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:795)
> at
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher.flushRegion(MemcacheFlusher.java:228)
> at
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher.run(MemcacheFlusher.java:138)
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.findFirstRow(StoreFileScanner.java:314)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.advance(StoreFileScanner.java:141)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.openReaders(StoreFileScanner.java:109)
> at
> org.apache.hadoop.hbase.regionserver.StoreFileScanner.updateReaders(StoreFileScanner.java:413)
> at
> org.apache.hadoop.hbase.regionserver.HStoreScanner.updateReaders(HStoreScanner.java:346)
> at
> org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:746)
> at
> org.apache.hadoop.hbase.regionserver.HStore.updateReaders(HStore.java:731)
> at
> org.apache.hadoop.hbase.regionserver.HStore.internalFlushCache(HStore.java:700)
> at
> org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:636)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:887)
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