Top "Ejb-3.0" questions

This tag is used for question related to the session bean and message-driven bean component types of the EJB 3.0 programming model.

Ejb3 dependency in Maven

I saw recently that Sun/a third party had released a maven dependency containing only the interfaces for e.g. …

java maven-2 ejb-3.0
What are the main differences between EJB 2.0 and EJB 3.0 in the orientation of an object

I want to try EJB and I am studying the theory behind EJB 3.0. I know that in EJB 3.0 you don't …

java ejb ejb-3.0
JBoss: What does the warning EJBTHREE-1246 from the InterceptorRegistry mean?

I am currently developing an EJB 3.0 based application on the JBoss AS 5.0.0.GA and just recently the following warning showed …

jboss ejb-3.0 warnings session-bean
Why do we need separate Remote and Local interfaces for EJB 3.0 session beans

I was wondering why do we need separate Remote and Local intefaces for EJB 3.0 Session beans. I guess most of …

jakarta-ee ejb ejb-3.0
Error invoking timeout for timer - could not obtain lock within 5MINUTES at EJB 3 timerservice

I have an application running on jboss 6.1 that defines a lot of dinamyc timers at the startup (e.g doSomething …

jboss timer ejb ejb-3.0 jboss6.x
Stateless Session Beans vs. Singleton Session Beans

The Java EE 6 Tutorial says: To improve performance, you might choose a stateless session bean if it has any of …

java singleton ejb-3.0 ejb stateless
Inheriting class annotations

Is there a way to make classes inherit annotations from a superclass ? e.g. @ApplicationException(rollback=true) public abstract class …

java annotations ejb-3.0
How to start an EJB Timer on deployment?

I need to create an interval Timer that is set to run once a week automatically. I don't want it …

java jakarta-ee jboss ejb-3.0
Elegantly handling constraint violations in EJB/JPA environment?

I'm working with EJB and JPA on a Glassfish v3 app server. I have an Entity class where I'm forcing …

java database jpa jakarta-ee ejb-3.0
EJB3 + JEE6: What is a persistent Timer?

I'm just about to use the new EJB3 TimerService (as part of Java EE 6), and as usual, I'm impressed by …

ejb-3.0 timer java-ee-6