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Posted to issues@commons.apache.org by "Gary Gregory (JIRA)" <ji...@apache.org> on 2018/06/18 22:31:00 UTC
[jira] [Closed] (DBCP-427) Examines 'SQLException's thrown by
underlying connections or statements for fatal (disconnection) errors
[ https://issues.apache.org/jira/browse/DBCP-427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gary Gregory closed DBCP-427.
-----------------------------
Resolution: Fixed
Fix Version/s: 2.5.0
In git master.
> Examines 'SQLException's thrown by underlying connections or statements for fatal (disconnection) errors
> --------------------------------------------------------------------------------------------------------
>
> Key: DBCP-427
> URL: https://issues.apache.org/jira/browse/DBCP-427
> Project: Commons DBCP
> Issue Type: Improvement
> Affects Versions: 2.0
> Reporter: Vladimir Konkov
> Priority: Minor
> Fix For: 2.4.1, 2.5.0
>
> Attachments: DBCP-427_initial_impl.diff
>
>
> Affected cases:
> 1. Ability to detect severed connection without need for validity check (it can be time demand).
> 2. Not all fatal errors detected with simple validation query or isValid() call. For example:
> Broken XA connections of MS SQL Server and Oracle Database (and may be other) pass validation for both isValid() and simple validation query such as 'SELEC 1 FROM DUAL' but throw fatal errors on data and/or transaction manipulation calls. Such errors gone only after reconnect. In case of use DBCP for polling application has no chance to cleanup broken connection.
> By providing infractructure for check thrown exceptions and mark PoolableConnection as poisoned we can cleanup pool on validation phase.
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