Jagadish Prasath Ramu wrote:
> 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"
Yes, but that will affect all applications that use this resource, which might
be an unexpected result.
thanks,
-marina
>
> 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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>>>
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>
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