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Message-ID: <1840640201.1245605287389.JavaMail.jira@brutus>
Date: Sun, 21 Jun 2009 10:28:07 -0700 (PDT)
From: "Mark Thomas (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Subject: [jira] Resolved: (DBCP-212) PoolingDataSource closes physical
 connections
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     [ https://issues.apache.org/jira/browse/DBCP-212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Thomas resolved DBCP-212.
------------------------------

    Resolution: Fixed

The numerous sync changes made in POOL 1.5.x should eliminate the remaining issues reported here. In particular:
- no factory method is called from within a sync block
- borrowObject() uses syncs only where necessary
- the implementation of fair queuing ensures that an object will be allocated to a waiting thread when it is returned

DBCP 1.3 will include POOL 1.5.1. In the mean time, you should still see most of the benefit by switching to POOL 1.5.1 or later

> PoolingDataSource closes physical connections
> ---------------------------------------------
>
>                 Key: DBCP-212
>                 URL: https://issues.apache.org/jira/browse/DBCP-212
>             Project: Commons Dbcp
>          Issue Type: Improvement
>    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: DBCPtester.java, DBCPtester.java, 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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