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Exception Handling with the Spring 3.2 @ControllerAdvice Annotation

A short time ago, I wrote a blog outlining how I upgraded my Spring sample code to version 3.2 and demonstrating a few of the little ‘gotchas’ that arose. Since that I’ve ...
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How to replace a build module with Veripacks

Compare the two trees below. In both cases the goal is to have an application with two independent modules (frontend and reporting), and one shared/common module (domain). The code ...
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Drools Planner renames to OptaPlanner: Announcing www.optaplanner.org

We’re proud to announce the rename Drools Planner to OptaPlanner starting with version 6.0.0.Beta1. We’re also happy to unveil its new website: www.optaplanner.org. OptaPlanner ...
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JPA and CMT – Why Catching Persistence Exception is Not Enough?

Being in EJB and JPA world using CMT (Container Managed Transactions) is very comfortable. Just define few annotations to demarcate transaction boundary (or use the defaults) and that’s ...
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Hadoop Books Giveaway – Roundup

Fellow geeks, Our giveaway of Packt Publishing’s books on Apache Hadoop has ended. You may find the original post for the competition here. The Prize Winners The 6 lucky winners that ...
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Types of Entity Managers: Application-managed EntityManager

JPA specification defines few types of EntityManagers / Persistence Contexts. We can have:extended and transactional-scoped EntityManagers, container-managed or application-managed ...
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EJB Inheritance is Different From Java Inheritance

Despite the fact that EJB inheritance sometimes uses Java inheritance — they’re not always the same. Just as you could read in my previous post, EJB doesn’t have to implement ...
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Defining EJB 3.1 Views (Local, Remote, No-Interface)

This post will talk about possible ways of defining EJB views using annotations (I’ll just mention about using EJB Deployment Descriptor at the end.) I’ll focus on the most current ...
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JUnit and EasyMock cooperation

Developers always need to take care about code which they produced. They should be ensured that code works properly after a new feature was implemented or some bug was fixed. That’s ...
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REST with Apache Camel

There are many ways to expose an HTTP endpoint in Camel: jetty, tomcat, servlet, cxfrs and restlet. Two of these components – cxfrs and restlet also support REST semantics just ...
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