Igor Yurinok created HBASE-6956:
-----------------------------------
Summary: 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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