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Posted to dev@commons.apache.org by "Phil Steitz (JIRA)" <ji...@apache.org> on 2006/07/10 07:02:32 UTC
[jira] Updated: (DBCP-156) [dbcp] Specifying the maximum lifetime
of a connection
[ http://issues.apache.org/jira/browse/DBCP-156?page=all ]
Phil Steitz updated DBCP-156:
-----------------------------
Bugzilla Id: (was: 28211)
Fix Version: 1.3
> [dbcp] Specifying the maximum lifetime of a connection
> ------------------------------------------------------
>
> Key: DBCP-156
> URL: http://issues.apache.org/jira/browse/DBCP-156
> Project: Commons Dbcp
> Type: Improvement
> Versions: 1.1 Final
> Environment: Operating System: All
> Platform: All
> Reporter: Juergen Hoeller
> Priority: Minor
> Fix For: 1.3
>
> It would be excellent if BasicDataSource had a "maxLifetime" property, for
> specifying the maximum lifetime of a connection in the pool, no matter how long
> it's been active or idle, and no matter whether it still seems to be alive.
> Commons DBCP does not support this yet; it just offers various connection
> validation means, which is not the same.
> This is particularly relevant for MySQL Connector/J 3.0.x which tries to apply
> some weird automatic recovery when a MySQL connection has timed out, resulting
> in all sorts of issues. The best way to deal with this is to set the maximum
> lifetime of a connection to 4 hours or the like: If it's older, simply kill it,
> even if it's still alive at that point of time.
> Note that Proxool (http://proxool.sourceforge.net) does have such a property,
> namely "maximum-connection-lifetime". Resin's connection pool has a similar
> property named "max-pool-time" (http://www.caucho.com/resin-2.1/ref/db-
> config.xtp). I tend to prefer Commons DBCP, but the lack of such a property
> forces me to look for alternative pools.
> Juergen
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