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

[arjan tijms]

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> 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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