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https://issues.apache.org/jira/browse/HBASE-9927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-9927:
--------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
> ReplicationLogCleaner#stop() calls HConnectionManager#deleteConnection()
> unnecessarily
> --------------------------------------------------------------------------------------
>
> Key: HBASE-9927
> URL: https://issues.apache.org/jira/browse/HBASE-9927
> Project: HBase
> Issue Type: Task
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Fix For: 0.94.15
>
> Attachments: 9927.txt
>
>
> When inspecting log, I found the following:
> {code}
> 2013-11-08 18:23:48,472 ERROR [M:0;kiyo:42380.oldLogCleaner]
> client.HConnectionManager(468): Connection not found in the list, can't
> delete it (connection key=HConnectionKey{properties={hbase.rpc.timeout=60000,
> hbase.zookeeper.property.clientPort=59832, hbase.client.pause=100,
> zookeeper.znode.parent=/hbase, hbase.client.retries.number=350,
> hbase.zookeeper.quorum=localhost}, username='zy'}). May be the key was
> modified?
> java.lang.Exception
> at
> org.apache.hadoop.hbase.client.HConnectionManager.deleteConnection(HConnectionManager.java:468)
> at
> org.apache.hadoop.hbase.client.HConnectionManager.deleteConnection(HConnectionManager.java:404)
> at
> org.apache.hadoop.hbase.replication.master.ReplicationLogCleaner.stop(ReplicationLogCleaner.java:141)
> at
> org.apache.hadoop.hbase.master.cleaner.CleanerChore.cleanup(CleanerChore.java:276)
> {code}
> The call to HConnectionManager#deleteConnection() is not needed.
> Here is related code which has a comment for this effect:
> {code}
> // Not sure why we're deleting a connection that we never acquired or used
> HConnectionManager.deleteConnection(this.getConf());
> {code}
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