[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-2311) Injected hibernate session breaks removal of event scoped stateful session bean
Injected hibernate session breaks removal of event scoped stateful session bean
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Key: JBSEAM-2311
URL: http://jira.jboss.com/jira/browse/JBSEAM-2311
Project: JBoss Seam
Issue Type: Bug
Components: Core
Affects Versions: 2.0.0.GA
Environment: JBoss 4.2
Reporter: Marcus Schmidke
When using a JPA delegate as injected Hibernate session as suggested in chapter 8.4 of
documentation, the removal of an event scoped SFSB breaks because when Seam intercepts the
@Remove method and tries to inject the Hibernate session, the EntityManager will be
already closed.
components.xml:
<persistence:managed-persistence-context name="entityManager"
auto-create="true"
persistence-unit-jndi-name="java:/EntityManagerFactories/Argos3EJBPU" />
<factory name="session" scope="STATELESS"
auto-create="true" value="#{entityManager.delegate}" />
SFSB:
@Stateful
@Name("aufgabenliste")
@Scope(ScopeType.EVENT)
public class AufgabenlisteImpl implements Aufgabenliste {
@In
private Session session;
@Remove
public void remove() {
}
}
Gives the following exception upon closing of the event context:
13:02:25,091 WARN [Component] Exception calling stateful session bean default @Remove
method: aufgabenliste
javax.ejb.EJBException: javax.el.ELException: Error reading 'delegate' on type
org.jboss.seam.persistence.EntityManagerProxy
at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:63)
at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
...
Caused by: javax.el.ELException: Error reading 'delegate' on type
org.jboss.seam.persistence.EntityManagerProxy
at javax.el.BeanELResolver.getValue(BeanELResolver.java:66)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:64)
at org.jboss.el.parser.AstPropertySuffix.getValue(AstPropertySuffix.java:53)
at org.jboss.el.parser.AstValue.getValue(AstValue.java:67)
at org.jboss.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)
at org.jboss.seam.core.Expressions$1.getValue(Expressions.java:112)
at org.jboss.seam.Component.getInstanceFromFactory(Component.java:1906)
...
Caused by: java.lang.IllegalStateException: EntityManager is closed
at org.hibernate.ejb.EntityManagerImpl.getSession(EntityManagerImpl.java:42)
at
org.hibernate.ejb.AbstractEntityManagerImpl.getDelegate(AbstractEntityManagerImpl.java:570)
at org.jboss.seam.persistence.EntityManagerProxy.getDelegate(EntityManagerProxy.java:95)
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