ConcurrentModificationException in notifyChangedReadersObservers
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Key: HBASE-1059
URL: https://issues.apache.org/jira/browse/HBASE-1059
Project: Hadoop HBase
Issue Type: Bug
Reporter: stack
{code}
org.apache.hadoop.hbase.DroppedSnapshotException: region: .META.,,1
at
org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:876)
at
org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:772)
at
org.apache.hadoop.hbase.regionserver.MemcacheFlusher.flushRegion(MemcacheFlusher.java:220)
at
org.apache.hadoop.hbase.regionserver.MemcacheFlusher.run(MemcacheFlusher.java:130)
Caused by: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
at java.util.HashMap$KeyIterator.next(HashMap.java:828)
at
org.apache.hadoop.hbase.regionserver.HStore.notifyChangedReadersObservers(HStore.java:734)
at
org.apache.hadoop.hbase.regionserver.HStore.updateReaders(HStore.java:722)
at
org.apache.hadoop.hbase.regionserver.HStore.internalFlushCache(HStore.java:691)
at
org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:627)
at
org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:863)
... 3 more
{code}
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