Vortrag 15.6.: Apache Tomcat to Apache TomEE (Tomitribe)


Apache Tomcat is a mainstay Java Application Server. Apache TomEE is a sister project at the Apache Software foundation that adds the entire EE Oracle certified Web Profile to this extremely well known platform. Now all you need to do is make the transition – Step one.
Enable the gradual addition of virtually every single EE technology to your application through following various trails such as CDI, RESTful WebServices, EJBs, WebServlets and SOAP Services. To complete the transition viewers will also be introduced to Arquillian driven testing and the advantages this brings in regards to ensuring application stability an any EE platform.


Andy Gumbrech (@AndyGeeDe) has been fitting in tight code since getting a Sinclair ZX81 with a whopping 1k memory back in 1982. After a rewarding military career gaining many life experiences he eventually turned his long time hobby into a professional qualification, and subsequently went on to become a lead developer on several successful local government and commercial industry projects. As a senior Java developer he has never lost his love for coding, open source and best practices within the industry and has an attention to detail, performance and infrastructure. He has been using in production environments and contributing to Apache OpenEJB/TomEE since 2009.


Ort: LVM Versicherung, Kolde-Ring 21, Raum 3.01.08 Konferenzraum II Links

Datum: 15.06.

Einlass ab 18 Uhr, Beginn des Vortrags ca. 18:30. Die Teilnahme ist kostenlos.


Pro JPA 2 (Book review)

Mike Keith and Merrick Schincariol authored a book which focuses on JPA 2, the Java persistence API which is now included in the Java EE 6 specification.

JPA has its origins in object relational mapping tools like hibernate, JDO or TopLink. While JPA was originally created as a standard for the Java enterprise stack, it did not take much time until it was was also used in the Java SE environment. JPA is easy to use and helpful if integrated into Desktop applications whenever object relational mapping  makes sense.

While JPA is covered in Java EE books as well, Pro JPA 2 only focuses on JPA and provides a profound coverage of the topic, attracting all kinds of developers. The books does not require previous knowledge of JPA 1 or other object relational mapping technology. A basic understanding of database systems, SQL and JDBC is required, but the required knowledge can be achieved by using Wikipedia or any introductory article.

The book motivates the usage of ORM (object relational mapping) software by showing the differences to JDBC, proprietary APIs, EJBs, and JDO. After reading the first pages, you are already able to write your first JPA 2 application, getting an overview of the various parts of JPA, configuration and running the application in a Java SE environment. This is especially useful for beginners, who are able to understand how the different parts operate  and are encouraged to try out the technology.

The third chapter provides a short introduction to Java EE and explains the role of JPA in the context of an enterprise application with an emphasis on transaction and dependency management. The following chapters focus on the many aspects of ORM, many UML diagrams help understanding the context. Advanced topics like caching, deployment, packaging and testing are covered as well, contributing to the good overall impression of the book.

The last chapter helps users who need to migrate from CMP entity beans, JDBC or other ORM solutions to JPA 2 and introduces related enterprise design patterns.

In a nutshell, the authors manage to satisfy both the needs of novice and experienced developers with a good introduction and an in-depth coverage. weiterlesen