[wildfly-dev] How to deal with resource refs when deploying JPA container managed entity managers (WFLY-2841)

[Martin Andersson]

Thanks a lot!

I can confirm that the app works now.

Br,
Martin Andersson
Java EE developer at www.purplescout.se


On Fri, Jan 31, 2014 at 1:55 PM, Scott Marlow <smarlow at redhat.com> wrote:

> Hi Arjan,
>
> Great catch!  Your change and adding an persistence unit hint that the
> persistence unit doesn't need to be started early:
>
>    <property name="wildfly.jpa.twophasebootstrap" value="false"/>
>
> Helps the deployment succeed.
>
> It looks like ResourceReferenceProcessor is running during the
> Phase.POST_MODULE deployment phase, so we need to add a hint to the
> persistence.xml, that helps the persistence unit deploy later.
>
> [6]
>
> https://github.com/wildfly/wildfly/blob/master/ee/src/main/java/org/jboss/as/ee/subsystem/EeSubsystemAdd.java#L194
>
> Scott
>
> On 01/31/2014 06:25 AM, arjan tijms wrote:
> > Hi,
> >
> > I looks like there's one bug in the example.
> >
> > jboss-web.xml defines jdbc/MyDS
> >
> > But persistence.xml references java:comp/env/MyDS
> >
> > Shouldn't the last one be at least java:comp/env/jdbc/MyDS? Regardless,
> > even with matching names it indeed doesn't work.
> >
> > Kind regards,
> > Arjan Tijms
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > On Thu, Jan 30, 2014 at 9:52 PM, Scott Marlow <smarlow at redhat.com
> > <mailto:smarlow at redhat.com>> wrote:
> >
> >     WFLY-2841 reports a deployment failure that occurs when a deployments
> >     [1] persistence.xml, tries to use a resource reference [2] for the
> >     datasource [3].  The error [4] mentions an unresolved (DataSource)
> >     service dependency that is added to the persistence unit service [5],
> >     instead of resolving the resource reference (and using the underlying
> >     DataSource).
> >
> >     How should we handle resource references for this case?  Is there a
> way
> >     to resolve the resource reference directly from deployers?  Or do we
> >     represent the resource reference as a service?
> >
> >     Scott
> >
> >     [1] test app is at https://github.com/umartin/wfds/
> >
> >     [2] jboss-web.xml
> >     <jboss-web>
> >               <context-root>/wfds</context-root>
> >               <resource-ref>
> >                       <res-ref-name>jdbc/MyDS</res-ref-name>
> >                       <res-type>javax.sql.DataSource</res-type>
> >
> >       <jndi-name>java:jboss/datasources/ExampleDS</jndi-name>
> >               </resource-ref>
> >     </jboss-web>
> >
> >     [3] persistence.xml pu def
> >     <persistence-unit name="wfdsPU" transaction-type="JTA">
> >               <jta-data-source>java:comp/env/MyDS</jta-data-source>
> >     </persistence-unit>
> >
> >     [4] {"JBAS014771: Services with missing/unavailable dependencies" =>
> >
> ["jboss.persistenceunit.\"wfds-1.0-SNAPSHOT.war#wfdsPU\".__FIRST_PHASE__
> >     is missing
> >
> [jboss.naming.context.java.module.\"wfds-1.0-SNAPSHOT\".\"wfds-1.0-SNAPSHOT\".env.MyDS]"]}
> >
> >
> >     [5]
> >
> https://github.com/wildfly/wildfly/blob/master/jpa/core/src/main/java/org/jboss/as/jpa/processor/PersistenceUnitServiceHandler.java#L358
> >     _______________________________________________
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> >
> >
>
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-- 
Hälsningar,
Martin Andersson
Purple Scout AB
+46 732 05 14 01
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