[HBASE-1107] NPE in HStoreScanner.updateReaders

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.19.1, 0.20.0
• Fix Version/s: 0.19.1
• Assignee: Andrew Kyle Purtell
• Reporter: Andrew Kyle Purtell
• Created: 02/Jan/09 01:37
• Updated: 13/Sep/09 22:32
• Resolved: 20/Mar/09 20:33

Description

2009-01-01 23:55:41,629 FATAL org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Replay of hlog required. Forcing server shutdown
org.apache.hadoop.hbase.DroppedSnapshotException: region: content,cff13605e2ea6ce0b221ac864687bf08,1230777531253
at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:880)
at org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:773)
at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.flushRegion(MemcacheFlusher.java:227)
at org.apache.hadoop.hbase.regionserver.MemcacheFlusher.run(MemcacheFlusher.java:137)
Caused by: java.lang.NullPointerException
at org.apache.hadoop.hbase.regionserver.HStoreScanner.updateReaders(HStoreScanner.java:322)
at org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:737)
at org.apache.hadoop.hbase.regionserver.HStore.updateReaders(HStore.java:725)
at org.apache.hadoop.hbase.regionserver.HStore.internalFlushCache(HStore.java:694)
at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:630)
at org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:865)
... 3 more

Issue Links

• is related to: HBASE-1076 CME in HStore.notifyChangedReadersObservers