I am trying to use jboss 4.0.4CR2 with the ejb3 option but at the moment
when I try to use an EntityManager from within my session bean the entity
manager is always null.
I have a stateless session bean where I load the entity manager:
| @Stateless
| public class CategorySessionBean implements CategoryView {
| @PersistenceContext(unitName = "inventPU")
| protected EntityManager manager;
|
| ...
| public load(){
| //HERE THE manager is NULL
| Query q = manager.createQuery("FROM Category");
| }
| ...
| }
|
I am deploying the application in an ear with the following structure:
invent.ear
| ...|-META-INF
| ...|-META-INF|-application.xml
| ...|-invent.par
| ...|-invent.war
|
application.xml:
| <application>
| <display-name>invent</display-name>
| <module>
| <web>
| <web-uri>invent.war</web-uri>
| <context-root>/invent</context-root>
| </web>
| </module>
| <module>
| <ejb>invent.par</ejb>
| </module>
| </application>
|
invent.par:
| ...|-META-INF
| ...|-META-INF|-persistence.xml
| ...|-gr (the entity and session beans)
|
persistence.xml
| <?xml version="1.0" encoding="UTF-8"?>
| <persistence>
| <persistence-unit name="inventPU">
| <description> AEGEK invent pesrsistent unit</description>
| <jta-data-source>java:/inventDS</jta-data-source>
| <properties>
| <property name="hibernate.dialect"
value="org.hibernate.dialect.MySQLInnoDBDialect"/>
| <property name="hibernate.hbm2ddl.auto" value="create"/>
| </properties>
| </persistence-unit>
| </persistence>
|
invent.war:
(jsp and other web related stuff)
HELP!
Thanx ...
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