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https://issues.apache.org/activemq/browse/SMX4KNL-163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=48127#action_48127
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Guillaume Nodet commented on SMX4KNL-163:
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Why would creating a connection do the DB lock the smx instance ?
I would have thought this involve at least a JDBC statement.
You may want to take a look at the way ActiveMQ does that:
http://svn.apache.org/repos/asf/activemq/trunk/activemq-core/src/main/java/org/apache/activemq/store/jdbc/DefaultDatabaseLocker.java
Also, I think it should be possible to avoid the dependnecy on Derby by using
the lower level JDBC driver classname + url maybe.
> Provide default jdbc lock impl for master/slave deployments
> -----------------------------------------------------------
>
> Key: SMX4KNL-163
> URL: https://issues.apache.org/activemq/browse/SMX4KNL-163
> Project: ServiceMix Kernel
> Issue Type: New Feature
> Environment: All
> Reporter: Jamie Goodyear
> Assignee: Jamie Goodyear
> Fix For: 1.1.0
>
> Attachments: smx4knl-163.txt
>
>
> Provide default jdbc lock impl for master/slave deployments.
> From note on SMX4KNL-106:
> By default, a file based locking mechanism is used. There is an interface
> that can be implemented to allow other locking mechanisms such as JDBC. This
> would require setting a system property for the class name of the lock (it
> can be done in etc/system.properties) and changing the shell script to add
> the needed jars to the boot classpath.
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