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 …

What is EJB, and why we should use it? Please explain in simple language. Thank you.

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 …

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 …

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.

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 inside the …

EJB - Enterprise Java Beans -> Components which are stateful (session oriented) or stateless (services), message driven (asynchronous) Hibernate - Persistence Service like other JPA …

Dec 28, 2015 · This is my understanding of relationship between the EJB spec and Java versions EJB 2.0 was part of J2EE 1.3 platform, which was on top J2SE 1.3 or JDK 1.3.x EJB 2.1 was …

Nov 23, 2023 · 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-jar.xml in beans.

Jul 18, 2013 · Do I need to config anything in websphere after deploy the EJB project? Like JNDI?? What jars should I import into the Client project? And those jars are in what directory of …