Mapping composite primary keys in JPA How to work around a bug in Hibernate Annotations

A table without single-column primary key, Java developers don’t like them because it’s more work than just putting @Id on a field. When you’re using Hibernate Annotations you might also run into an annoying bug. In this article I will explain how to map a composite primary key with JPA-annotations […]

Getting started with Eclipse 3.3 WTP 2.0 and JSF – will this JSF editor beat JDeveloper?

A few days ago a brand new Eclipse release popped up in my RSS reader. Eclipse 3.3 with WTP 2.0. After browsing through the new features I was very surprised that it included a brand new JSF editor. I thought this sub-project died very slow and painful. What I will […]

Java Platform Debugger Architecture (JPDA) with Tomcat, OC4J, Eclipse, IntelliJ IDEA and JDeveloper

With JPDA it is possible to propagate changes to compiled classes to the server immediately. This is very handy when you’re debugging your class files. With some older applications you have to restart your application server many times to make changes. With JPDA this is history. In this article I […]