Is Asynchronous EJB Just a Gimmick?

In previous articles (here and here) I showed that creating non-blocking asynchronous applications could increase performance when the server is…

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Quick tip: Exception handling in Message Driven Beans

Let’s do a quick review of exceptional handling with regards to Message Driven Beans. The entry point into a MDB…

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Timeout policies for EJBs : how do they help?

EJB 3.1 introduced timeout related annotations as a part of its API. @AccessTimeout @StatefulTimeout Let’s quickly look at what they…

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CDI & EJB: Sending asynchronous mail on transaction success

Hello again! :) This time I’ve chosen a common task that most of the time, in my opinion, is done…

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Where can I run EJBs ?

EJBs are built for more than just a Java EE application server. They can also execute in a Java EE…

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How to build and clear a reference data cache with singleton EJBs, Ehcache and MBeans

In this post I will present how to build a simple reference data cache in Java EE, using singleton EJBs…

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How to build and clear a reference data cache with singleton EJBs and MBeans

In one of my projects I had a requirement to load reference data from several sources in a Java EE 6…

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EJB 3.x : Lifecycle and Concurrency models (part 2)

This is the second post of the two part series. The first part covered the life cycle and the concurrency behavior…

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EJB 3.x : Lifecycle and Concurrency models (part 1)

Java EE component life cycle and concurrency related details might not be new for seasoned professionals, but it is something which…

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