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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