[jira] [Work logged] (DBCP-559) 数据库连接可以通过BasicDataSource类的close()方法进行关闭，但该类没有提供open()方法使得新建的数据库连接生效

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DBCP-559?focusedWorklogId=468343&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-468343 ]

ASF GitHub Bot logged work on DBCP-559:
---------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Aug/20 18:26
            Start Date: 09/Aug/20 18:26
    Worklog Time Spent: 10m 
      Work Description: psteitz opened a new pull request #50:
URL: https://github.com/apache/commons-dbcp/pull/50


   


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 468343)
    Remaining Estimate: 50m  (was: 1h)
            Time Spent: 10m

> 数据库连接可以通过BasicDataSource类的close()方法进行关闭，但该类没有提供open()方法使得新建的数据库连接生效
> -------------------------------------------------------------------
>
>                 Key: DBCP-559
>                 URL: https://issues.apache.org/jira/browse/DBCP-559
>             Project: Commons DBCP
>          Issue Type: Improvement
>    Affects Versions: 2.8.0
>            Reporter: Wenzhi Ji
>            Priority: Major
>              Labels: ready-to-commit
>             Fix For: 2.8.0
>
>         Attachments: BasicDataSource.java, BasicDataSourceMXBean.java
>
>   Original Estimate: 1h
>          Time Spent: 10m
>  Remaining Estimate: 50m
>
> 当前该开源软件具备的功能：若数据库连接被关闭（即closed置为true），则必须重启服务，才能使新的数据库连接生效（closed置为false）。
> 针对容灾场景，若数据库连接串发生变化，为了使新的数据库连接动态生效（热生效），不需要手工重启服务，建议该开源软件BasicDataSource类提供一个open()方法用于置closed = false；以使建立的数据库连接生效。
> 变更的代码见附件。
> 注：附件是基于2.7.0版本代码进行优化的。



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