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https://issues.apache.org/jira/browse/HBASE-1459?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
stack resolved HBASE-1459.
--------------------------
Resolution: Cannot Reproduce
stale
> CME during memcache flush forces HRS shutdown
> ---------------------------------------------
>
> Key: HBASE-1459
> URL: https://issues.apache.org/jira/browse/HBASE-1459
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.19.1
> Reporter: Rong-En Fan
>
> I just saw this on my 0.19.1 cluster:
> 2009-05-30 03:57:19,559 FATAL
> org.apache.hadoop.hbase.regionserver.MemcacheFlusher: Replay of hlog
> required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region:
> table,rowkey,1243547152622
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:897)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:790)
> 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.util.ConcurrentModificationException
> at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1100)
> at java.util.TreeMap$EntryIterator.next(TreeMap.java:1136)
> at java.util.TreeMap$EntryIterator.next(TreeMap.java:1131)
> at
> org.apache.hadoop.hbase.regionserver.HStore.internalFlushCache(HStore.java:678)
> at org.apache.hadoop.hbase.regionserver.HStore.flushCache(HStore.java:636)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:882)
> ... 3 more
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