Daniel Schulze wrote:
>
> "Roger L. Cauvin" wrote:
> >
> > Using jBoss 2.0 BETA PROD 02, I am trying to perform relational
> queries on
> > the default database (the one used by default if I create an
> entity bean)
> > from a session bean. When I try to look up the data source in
> the naming
> > context, I get an exception, and the jBoss console indicates that the
> > database name is not bound to the naming context.
> >
> > The deployment descriptor for my session bean contains the following
> > element:
> >
> > <resource-ref>
> > <description>Data source for Hypersonic database.</description>
> > <res-ref-name>jdbc/Hypersonic</res-ref-name>
> > <res-type>javax.sql.DataSource</res-type>
> > <res-auth>Container</res-auth>
> > </resource-ref>
> >
> > In my session bean, I have:
> >
> > DataSource dataSource = (DataSource)
> > jndiContext.lookup("java:comp/env/jdbc/Hypersonic");
> >
> > As I understand it, I need to add some information some
> configuration files
> > as well, but I don't know specifically what I should add, and to which
> > files. Could someone provide this information, tailored to my
> particular
> > example?
>
> You re on the right way Roger...
>
> Now you have to tell jBoss that he shall bind Hypersonic (pr whatever to
> your sessions environment under the specified name. You do this in
> jboss.xml.
Where is the jboss.xml located? I see a standardjboss.xml file buried
inside lib/ext/jboss.jar, but not a jboss.xml file.
> My version of EJX doesnt support that dont know if wether I missed
> something or it isnt implemented yet...
> Anyway
>
> You must create a resource-manager (this works with EJX):
>
> <resource-managers>
> ...
> <resource-manager>
> <res-name>your_resource</res-name>
> <res-jndi-name>Hypersonic</res-jndi-name>
> </resource-manager>
> </resource-managers>
>
> the <res-name> is the logical name you give your resource
> the <res-jndi-name> is the jndi name of your real DataSource you want to
> use (eg: Hypersonic)
> in the enterprise-beans section you have to specify the resource-ref
> then:
>
> <enterprise-beans>
> <session>
> ...
> <resource-ref>
> <res-ref-name>jdbc/database</res-ref-name>
> <resource-name>your_resource</resource-name>
> </resource-ref>
> </session>
> ...
> </enterprise-beans>
>
> <res-ref-name> is the same <res-ref-name> as in the <resource-ref>
> section in your ejb-jar.xml file.
> <resource-name> is the logical name you gave the resource manager in the
> resource-manager section.
Do I include this entry in addition to the entry I already have (that
contains res-type and res-auth) in my deployment descriptor, or do I merge
them?
> HTH
>
> \Daniel
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