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From "Marcos Sanz (JIRA)" <>
Subject [jira] Reopened: (DBCP-212) PoolingDataSource closes physical connections
Date Mon, 23 Jul 2007 21:13:31 GMT


Marcos Sanz reopened DBCP-212:

Not really fixed. As Phil wrote: "until pool is improved somehow to be more intelligent about
destroying idle objects, dbcp is prone to this behavior".
I'd like to keep this open so as not to forget this. The question remains: Has PoolableConnectionFactory.makeObject()
necessarily be synchronized?

> PoolingDataSource closes physical connections
> ---------------------------------------------
>                 Key: DBCP-212
>                 URL:
>             Project: Commons Dbcp
>          Issue Type: Bug
>    Affects Versions: 1.2.2
>         Environment: Windows XP, Java 1.5.0_06-b05, Sybase ASE 12.5.4, jConnect 6.0.5
EBF 13862, Commons Pool 1.3
>            Reporter: Marcos Sanz
>             Fix For: 1.3
>         Attachments:,, output.txt
> By executing the attached program and monitoring the process id of the physical connections
at the database server, it is possible to demonstrate that the connections are being actually
physically closed and reopened by the application at a very high rate.

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