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 to …
java - What does the @EJBs annotation do? - Stack Overflow
I had a web project, jee 6, with ejbs in it and i didnt have to specify name attribute with @EJB, once I moved ejbs to separate ejb jar (still same ear) weblogic 12.1.2 tells me "The ejb-ref does not have an …
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.
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 difference …
java - Why should we use EJB? - Stack Overflow
What is EJB, and why we should use it? Please explain in simple language. Thank you.
java - Exception while preparing the app : Unable to load the EJB ...
Jan 14, 2025 · java.lang.RuntimeException: Unable to load the EJB module. DeploymentContext does not contain any EJB. Check the archive to ensure correct packaging for …
java - Should I use @EJB or @Inject - Stack Overflow
The @EJB is used to inject EJB's only and is available for quite some time now. @Inject can inject any managed bean and is a part of the new CDI specification (since Java EE 6). In simple cases you can …
Web Services vs EJB vs RMI, advantages and disadvantages?
Jan 6, 2010 · 9 Between EJB and RMI, EJB would certainly be better - it has everything RMI has and much more via the container (object pooling, transaction management, etc.) Between EJB and web …
ejb - What is a global JNDI name and why does it differ between app ...
Jun 4, 2014 · EJB 3 essentially assumes that all JNDI names used in code are local references and automatically prepends names with the java:comp/env/ prefix. I am not getting what is meant by …
"JNDI name is already in use" in Weblogic 12c with EJB3
Nov 4, 2024 · The EJB-JAR had several beans in it. To reduce the number of variables in this problem, I changed the build file to only include one bean. The EJB-JAR file is a JAR file, so I can't truly copy it, …