Felipe Gaucho

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felipegaucho@dev.java.net

Felipe Gaúcho works as senior software engineer at Netcetera AG in Switzerland. He is a well known Brazilian JUG leader and open-source evangelist. Felipe works with Java since its early versions and has plans to keep that Java tradition as it is. When he is not coding, he prefers to listen reggae and travel around with his lovely wife Alena and his son Rodrigo.

Articles

PUJ, a Jug Contest, JavaOne 2009 Podcast

Felipe Gaucho tells Jim Wright about the PUJ (Prêmio Universitário Java) Java User Group Contest

Exposing Domain Models through the RESTful Service Interface, Part 1

JAXB and JPA can be combined to reduce the boilerplate code of Java EE applications and to optimize the performance of RESTful web services--a flexible solution, which preserves the original domain model while following the JPA, JAXB, and HTTP standards.

The Requisites of a Question-Management System

The Quaestio module of the java.net Schoolbus project hopes to make it easier for teachers and professors to manage the questions they use on tests, quizzes, and homework. As project contributor Felipe Gaucho explains, hammering out the needs, goals, and concepts of such a system is tricker than...

Weblogs

Testing PDF files with Canoo Webtest and Maven2

This week I received one of that lovely and tricky tasks: to learn Canoo webtest, test it and prove its usefulness to the...

CI of the Arena Project now available to Windows users

With the newcomer Vaadin module I updated the Arena Project script to support builds on...

Speaking at Jfokus 2010

My presentation about exposing Domain Models through RESTful Web-Services has been accepted at Jfokus, a Java conference to happen in January 2010 in the...

JPA Join Table with additional state

JPA has its puzzles and from time to time it is useful to write down that tricky solution for our mapping needs.This entry describes a ManyToMany relationship with an additional state in the...

Java EE Continuous Integration powered by Maven & Glassfish

Can you compile, deploy and test your Java EE projects with just 1 line of command? Check it out.

Failed to serialize hudson.model.Actionable#actions for class hudson.maven.MavenBuild

The problem

I just started a new Glassfish v2.1 and deployed a Hudson 1.327 on it. Unfortunatelly, after configuring my first build, it always failed due to a serialization problem:

The pedantic guide for a RESTful Registration Use Case

Registration is one of most implemented use cases ever, but things get a bit different when you try to implement it in a RESTful Web-Service.

Before I start the discussion about the...

Handling Poison Messages with Glassfish

Poison messages are basically delivery deadlocks caused by a continuous redelivery of a message to a JMS Queue or Topic. That usually happens due to...

URL patterns are more flexible in Jersey than in the web.xml

Rule of thumb: Avoid to use {variables} as the first path of a Jersey's @Path

I am working on the Arena PUJ Project, a RESTful...

Long or int to declare JPA numeric primary keys?

I have just two arguments to avoid using long as type of the primary keys of JPA Entities:

A REST project with Glassfish

I am working out a new pet project, an online system to support PUJ Competitions. It is still a work under progress and I...

Have a nice weekend java.net

For the last few years, java.net portal is supporting for free my blogs and my projects. I am very thankful for SUN and Collabnet for this excellent resource, and I am pretty sure all people...

Don't break the optimistic locking

During Jazoon 2009 I got few minutes of private attention from Mike Keith...

RSJUG BBQ

Winter time in Porto Alegre, nice time for a long chimarrÃ£o with my family and also a good time to finally met some of my virtual...

Gosling oppening the Jazoon 2009

James Golsling introduced a brief view on the Java world this morning at ZÃ¼rich. It is always a joy to listen a successful geek onthe stage, probably one of the most successful geek of the last...

Pocket guide to Jazoon 2009

Java conferences are always a joy of technology and networking but sometimes we just miss its surroundings because it is quite difficult to concentrate in our lives while we are exposed to a large...

SUN Certification Model getting much better

The SUN Certification Reception during JavaOne brought us one of the most wanted news: the memory tests will be replaced by real coding certification. We can wait the new...

JCP 2009 Annual Awards Winners (with videos)

Several pictures and short movies are here in the JavaOne folder, including the announcement of some of the winners of the 2009 JCP...

Jazoon Bloggers Squad

Jazoon conference offered me the management of the Jazoon Bloggers SQUAD, a group of smart geeks responsible for spreading the word about the conference, before, during and after Jazoon...

Fiorano claim to be the fastest MQ in the world

What is Fiorano?

Fiorano is a commercial Business Integration Platform, including the lowest latency Java Messaging Server in the...

Gate 66 San Francisco

JavaOne is over now, a week of strong networking and some news from the Java Universe and its business. I need to wait more one hour to my boarding time, so I guess it is a good moment to a draft...

Alice in the JavaLand by Carnegie Melon University

What is Alice?

Cejug-Classifieds got a 2nd place at InfoBrasil Conference

InfoBrasil - TI...

5 minutes with Jetty during JavaOne 2009

The reception on the Webtide booth was already quite agile since they asked me to open the help of the Eclipse and Jetty was already there - awsome!

Tell me about Jetty....

Brazilian Digital TV at JavaONE 2009

Visiting the Fishermans Wharf at San Francisco Bay I met the Brazilians that will speak at JavaONE about the recent advances of the Digital TV in Brazil: Clayton Chagas and Magno Cavalcante.

...

EJB 3.1 to release on third quarter of 2009

After the impressive General Session, I attended a session about EJB 3.1 - proposed to release on the third quarter of this year. There are tons of blogs with complete overview of the new EJB, but...

5 minutes with ICEfaces during JavaOne 2009

What is ICEfaces?

ICEfaces is an Open Source JSF library that provides very easy of use Ajax Push and other advanced features.

What is the key advantage of ICEfaces?...

Blogging for you during the JavaONE 2009

One of the most impressive parts of JavaONE is its giant Pavilion, a fair of novelties that mixes commercial players of all sort - a real Java joy. From my last JavaONE I remember several...

JavaONE Warm Up - how to create Web-Services clients?

Five days to the number one Java conference in the world, including the Moscone effervescent Pavilion, smart people, marketing, music, sandwiches, and a full week of...

James Gosling live at the Jazoon 2009

A VIP presence was just confirmed in Jazoon 2009: James Gosling. Doctor Gosling will hold the Opening Keynote...

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