EJB Section Index
How do I use the @PostConstruct annotation in EJB 3.0?
From a logical point of view, a Servlet/JSP session is similar to an EJB session. Using a session, in fact, a client can connect to a server and maintain his state. But, is important to understan...more
Session facade is one design pattern that is often used while developing enterprise applications. It is implemented as a higher level component (i.e.: Session EJB), and it contains all the iteract...more
The EJB 2 Spec (10.8.3 - Special case: Unknown primary key class) says that in cases where the PrimaryKeys are generated automatically by the underlying database, the bean provider must declare th...more
Omar, In few words, "marshalling" refers to the process of converting the data or the objects inbto a byte-stream, and "unmarshalling" is the reverse process of converting the byte-stream beack to...more
Check out Jeff Schnitzer's JUnitEE package and the Wiki EJB Unit Testing page.
A stateful session bean is an enterprise bean (EJB component) that acts as a server-side extension of the client that uses it. The stateful session bean is created by a client and will work for o...more
Using the Java Connector Architecture with EJBs. Can I map an entity bean to an EIS for which a JCA resource manager exists? Ideally, I would like to use container managed persistence for this.
Using the Java Connector Architecture with EJBs Can I map an entity bean to an EIS for which a JCA resource manager exists? Ideally, I would like to use container managed persistence for this.
Here are some links: An official white paper about EJB performance: http://developer.java.sun.com/developer/technicalArticles/ebeans/ejbperformance/ http://www.jdance.com/ejbperformance.shtm has s...more
Entity Beans with no primary keys. Is it possible to create an Entity Bean(CMP) based on table that does not have a primary key.
Entity Beans with no primary keys Is it possible to create an Entity Bean(CMP) based on table that does not have a primary key.
I wish I had a quick answer for you, but the real answer lie in the activities of the JSR 26 committee. This group is currently working on a formal extension (profile) to the UML for modeling EJB...more
Check out the Sun's Java Connector Architecture homepage.
Check out the jGuru Transactions FAQ.
Check out the jGuru JNDI FAQ.
Where can I learn (more) about Java's support asynchronous and publish/subscribe messaging using JMS (Java Message Service)?
Check out the jGuru JMS FAQ.