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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2012/10/09 23:42:05 UTC
[jira] [Commented] (HBASE-6956) Do not return back to HTablePool
closed connections
[ https://issues.apache.org/jira/browse/HBASE-6956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472779#comment-13472779 ]
stack commented on HBASE-6956:
------------------------------
You have a patch Igor?
> Do not return back to HTablePool closed connections
> ---------------------------------------------------
>
> Key: HBASE-6956
> URL: https://issues.apache.org/jira/browse/HBASE-6956
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.90.6
> Reporter: Igor Yurinok
>
> Sometimes we see a lot of Exception about closed connections:
> {code}
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@553fd068 closed
> org.apache.hadoop.hbase.client.ClosedConnectionException: org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@553fd068 closed
> {code}
> After investigation we assumed that it occurs because closed connection returns back into HTablePool.
> For our opinion best solution is check whether the table is closed in method HTablePool.putTable and if true don't add it into the queue and release such HTableInterface.
> But unfortunatly right now there are no access to HTable#closed field through HTableInterface
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