[jboss-user] [JCA/JBoss] - Re: Listening Database Failover

[adrian@jboss.org]

Interesting, there is a configuration property that lets you decide how the
URL is selected, i.e. how it fails over. But it is not properly configured or documented.
http://jira.jboss.com/jira/browse/JBAS-4490

Absent this configuration it uses the default
org.jboss.resource.adapter.jdbc.local.LocalManagedConnectionFactory$URLSelector
which does NOT the hook you are looking for.

I guess you could override this strategy 
http://viewvc.jboss.org/cgi-bin/viewvc.cgi/jbossas/trunk/connector/src/main/org/jboss/resource/adapter/jdbc/URLSelectorStrategy.java?view=markup
to emit some form of notification when a new url is chosen. 

But where you would emit that notification to is a different question?
ManagedConnectionFactorys are just "stateless" javabeans. 
They don't have references into the JMX system or any other part of JBoss.

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