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https://issues.apache.org/jira/browse/OPENJPA-1653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868306#action_12868306
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Rajeev Chaudhary commented on OPENJPA-1653:
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I resolved the issue myself. Annotation @PersistenceUnit for EntityManager work
with those classes which are handled by Container.for e.g Servlet,
Stateless/Sateless beans. we can also use servlet listeners.
> Why getting null for EntityManagerFactory and EntityManager
> ------------------------------------------------------------
>
> Key: OPENJPA-1653
> URL: https://issues.apache.org/jira/browse/OPENJPA-1653
> Project: OpenJPA
> Issue Type: Question
> Environment: Oracle10g, weblogic10
> Reporter: Rajeev Chaudhary
>
> <persistence-unit name="eclepJTA">
> <jta-data-source>eclep.jpa.DataSource</jta-data-source>
> <class>org.wadsworth.check.dto.FacDto</class>
> </persistence-unit>
> public abstract class BaseDao {
>
> @PersistenceUnit(unitName = "eclepJTA", name="eclepJTA")
> private EntityManager entityUnit;
>
> @PersistenceContext(unitName = "eclepJTA", name="eclepJTA")
> private EntityManager entityContext;
>
> @PersistenceUnit(unitName = "eclepJTA",name="eclepJTA")
> private EntityManagerFactory emf;
>
> public void check(){
>
> System.out.println("<<EntityManagerFactory:::"+emf+""+entityContext+":::wel:entityUnit::"+entityUnit);
> }
> All of these come as null. Could you tell me why?
> I have weblogic system libraries having javax.persistence_1.0.0.0_1-0.jar and
> org.apache.openjpa_2.2.0.0_1-1-0.jar.
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