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Web services made easy with EJB, JPA and JAX-WS

Comments Off November 4th, 2009 by Henri Bezemer

In this post I will share some code and findings that came out of an experiment with EJB 3.0, JPA (included in EJB 3.0) and JAX-WS (Java API for XML-Based Web Services) 2.0. My goal was to create a useful layer of web services on top of a database with as little Java code as possible. I wasn’t sure if the three technologies could be mixed together in a thin layer without running into serious trouble, so I decided to create an example application and test it on three popular open source Java Application Servers: Geronimo (2.1.4), Sun GlassFish Enterprise Server (2.1) and JBoss (5.1.0 GA). I’m running these Application Servers on Sun JDK 6. Read more…