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https://issues.apache.org/jira/browse/DBCP-292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12839120#action_12839120
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Alexandru Ionita edited comment on DBCP-292 at 2/27/10 1:46 AM:
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When registering the bean org.apache.commons.dbcp.BasicDataSource directly into
Spring's MBeanExporter, you get the bean registered in the JMX stack.
What I have observed is that by each Refresh button hit in the JMX jconsole,
the NumActive is increased with 2 !!! Basically, the jconsole is consuming two
connections from the pool (don't know why) for each refresh without releasing
them.
was (Author: iga):
When registering the bean org.apache.commons.dbcp.BasicDataSource directly
into Spring's MBeanExporter, you get the bean registered in the JMX stack.
What I was observing is that by each Refresh button hit in the JMX jconsole,
the NumActive is increased with 2 !!! Basically, the jconsole is consuming two
connections from the pool (don't know why) for each refresh without releasing
them.
> Adds an mbean for exposing metrics around a BasicDataSource via JMX
> -------------------------------------------------------------------
>
> Key: DBCP-292
> URL: https://issues.apache.org/jira/browse/DBCP-292
> Project: Commons Dbcp
> Issue Type: New Feature
> Affects Versions: 1.2.2
> Reporter: David Horne
> Priority: Minor
> Fix For: 2.0
>
> Attachments: BasicDataSourceMBean.patch
>
>
> The attached patch adds an mbean that exposes the following metrics of a
> BasicDataSource via jmx: numActive, numIdle, maxActive, maxIdle, minIdle &
> maxWait.
> I have put it in a new package: org.apache.commons.dbcp.management but feel
> free to put it in any package you see fit.
> If using Spring the bean can be configured a little something like this:
> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
> ...
> </bean>
> <bean id="dataSourceMBean"
> class="org.apache.commons.dbcp.management.BasicDataSourceMBean">
> <constructor-arg ref="dataSource"/>
> </bean>
> <bean id="mbeanExporter" class="org.springframework.jmx.export.MBeanExporter">
> <property name="beans">
> <map>
> <entry key="DBCP:name=dataSource"
> value-ref="dataSourceMBean"/>
> </map>
> </property>
> </bean>
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