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https://issues.apache.org/jira/browse/HBASE-3515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans resolved HBASE-3515.
---------------------------------------
Resolution: Fixed
Committed to 0.92 and trunk, thanks for looking at my patch Stack!
> [replication] ReplicationSource can miss a log after RS comes out of GC
> -----------------------------------------------------------------------
>
> Key: HBASE-3515
> URL: https://issues.apache.org/jira/browse/HBASE-3515
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.0
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-3515-v2-0.92.patch, HBASE-3515-v2.patch,
> HBASE-3515.patch
>
>
> This is from Hudson build 1738, if a log is about to be rolled and the ZK
> connection is already closed then the replication code will fail at adding
> the new log in ZK but the log will still be rolled and it's possible that
> some edits will make it in.
> From the log:
> {quote}
> 2011-02-08 10:21:20,618 FATAL
> [RegionServer:0;vesta.apache.org,46117,1297160399378.logRoller]
> regionserver.HRegionServer(1383):
> ABORTING region server serverName=vesta.apache.org,46117,1297160399378,
> load=(requests=1525, regions=12,
> usedHeap=273, maxHeap=1244): Failed add log to list
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode
> = ConnectionLoss for
>
> /1/replication/rs/vesta.apache.org,46117,1297160399378/2/vesta.apache.org%3A46117.1297160480509
> ...
> 2011-02-08 10:21:22,444 DEBUG
> [MASTER_META_SERVER_OPERATIONS-vesta.apache.org:56008-0]
> wal.HLogSplitter(258):
> Splitting hlog 8 of 8:
> hdfs://localhost:55474/user/hudson/.logs/vesta.apache.org,46117,1297160399378/vesta.apache.org%3A46117.1297160480509,
> length=0
> 2011-02-08 10:21:22,862 DEBUG
> [MASTER_META_SERVER_OPERATIONS-vesta.apache.org:56008-0]
> wal.HLogSplitter(436):
> Pushed=31 entries from
> hdfs://localhost:55474/user/hudson/.logs/vesta.apache.org,46117,1297160399378/vesta.apache.org%3A46117.1297160480509
> {quote}
> The easiest thing to do would be let the exception out and cancel the log
> roll.
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