On Mon, 2007-08-27 at 19:40 -0700, Marina Vatkina wrote:
> A webapp in GlassFish can use EMF injection/lookup, which will make it a "real"
> Java EE app, will allow to use UserTransaction or will make sure that your
> <non-jta-data-source>jdbc/sample is actually a non-tx datasource (otherwise
> you'd be better off using jdbc/sample__nontx name to get non-transactional
> connections that the JPA provider can safely call commit on).
Please set "non-transactional-connections" attribute of the
corresponding jdbc-connection pool to "true", instead of doing lookup as
"jdbc/sample__nontx"
Thanks,
-Jagadish
>
> Regards,
> -marina
>
> Arun Gupta wrote:
> > Even though this application is deployed on GlassFish as a webapp, what
> > is required to make this a Java EE app ?
> >
> > -Arun
> >
> > Marina Vatkina wrote:
> >
> >> I think that when you use Persistence.createEntityManagerFactory(),
> >> you must list your entities in the persistence.xml as it's considered
> >> to be a Java SE environment.
> >>
> >> thanks,
> >> -marina
> >>
> >> Arun Gupta wrote:
> >>
> >>> In NB 5.5.1, I created a Persistence Unit for a pre-configured
> >>> jdbc/sample database. Then I created an Entity Class from this PU to
> >>> generate a dynamic page. The page content looks like:
> >>>
> >>> -- cut here --
> >>> EntityManagerFactory emf =
> >>> Persistence.createEntityManagerFactory("jmaki-jpa4PU");
> >>> EntityManager em = emf.createEntityManager();
> >>>
> >>> List<Customer> list = em.createQuery("select c from Customer
> >>> c").getResultList();
> >>> -- cut here --
> >>>
> >>> The persistence.xml looks like:
> >>>
> >>> -- cut here --
> >>> <?xml version="1.0" encoding="UTF-8"?>
> >>> <persistence version="1.0"
> >>> xmlns="http://java.sun.com/xml/ns/persistence"
> >>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> >>> xsi:schemaLocation="http://java.sun.com/xml/ns/persistence
> >>> http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd">
> >>> <persistence-unit name="jmaki-jpa4PU"
> >>> transaction-type="RESOURCE_LOCAL">
> >>> <non-jta-data-source>jdbc/sample</non-jta-data-source>
> >>> <properties/>
> >>> </persistence-unit>
> >>> </persistence>
> >>> -- cut here --
> >>>
> >>> And here is the error that I'm getting while accessing this page:
> >>>
> >>> -- cut here --
> >>> Exception [TOPLINK-8034] (Oracle TopLink Essentials - 2.0 (Build
> >>> b58-rc1 (08/04/2007))):
> >>> oracle.toplink.essentials.exceptions.EJBQLException
> >>> Exception Description: Error compiling the query [select c from
> >>> Customer c]. Unknown abstract schema type [Customer].
> >>> -- cut here --
> >>>
> >>> Most of the stuff is generated for me (database, persistence.xml, PU,
> >>> entity class) and I'm still seeing this error. I verified the table
> >>> contains appropriate data.
> >>>
> >>> What can cause this ?
> >>>
> >>> Thanks,
> >>> -Arun
> >>
> >>
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