What is an EJB, and what does it do? - Stack Overflow
An EJB is a Java component, containing business logic, that you deploy in a container, and that benefits from technical services provided by the container, usually in a declarative way, thanks …
java - What does the @EJBs annotation do? - Stack Overflow
UPDATE: Multiple persons claimed at this point that @EJBs is a proprietary extension. It is not. It is a core part of java EE5. See the JavaDoc for details.. It is simply a container for the …
What is the difference between @Inject and @EJB - Stack Overflow
May 10, 2016 · I'm currently learning the new Java EE 6 component models and am confused with the latest dependency injection mechanism. So here are my questions: 1) What is the …
EJB. What is, why it exist and HOW it works? - Stack Overflow
Feb 27, 2010 · Every EJB book I've seen talks about the EJB life cycle and how it interacts with the app server. I wouldn't have to read tons to find it.
java - Why should we use EJB? - Stack Overflow
The EJB or Enterprise Java Beans are plain java classes (since version 3.0) with annotations that enable to you write the business logic of your applications and later deploy it (or install) on a …
java - Should I use @EJB or @Inject - Stack Overflow
Is @EJB an old way of injecting? Is the injection done by the EJB container when using this annotation while using @Inject use the new CDI framework? Is that the difference and should I …
EJB in Weblogic: The Message Driven Bean does not have a …
Feb 28, 2025 · This can be done in the ejb-jar.xml descriptor by specifying a message-destination-link for the MDB. A message destination can be set in the weblogic-ejb-jar.xml …
java - javax.naming.NameNotFoundException - Stack Overflow
I am running an example of ejb using JBoss5 Container. I am using an example from here (Part one). In the example I deployed bean in JBoss and an application in Tomcat (to acces the …
java - How to change EJB Module Version, if ejb-jar.xml is deleted …
Nov 23, 2023 · Errors on project build Trying to migrate EJB project from 2.0 to 3.0, but got the above errors as EJB Project is referring to ejb2.0 version even Using annotations instead ejb …
jpa - Testing an EJB with JUnit - Stack Overflow
Jun 24, 2011 · How should I test an EJB 3.1 which gets an instance of EntityManager injected? A possible EJB: @Stateless @LocalBean public class CommentService { @PersistenceContext …