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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 Kingdom of Sweden. The presentation will be the result of my experiences designing and implement

Posted: Nov. 2, 2009 10:31 AM

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 intermediate table. All my examples are related to the Aren

Posted: Oct. 24, 2009 12:06 PM

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. I have no time for documentations lately, but I prefer to give you a chance to early adopt my build script and take your own conclusions. Following the

Posted: Oct. 9, 2009 02:48 PM

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: [INFO] ----------------------------------------------------------

Posted: Oct. 3, 2009 12:43 PM

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 registration use case, a list of terms for disambiguation: Applica

Posted: Oct. 2, 2009 06:15 AM

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 a code bug or configuration problems in the project. How to reproduce poison messages The easiest wa

Posted: Sep. 24, 2009 07:06 AM

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 web-service to support PUJ competitions. We are in the early stages of the project but we already got some resources publis

Posted: Sep. 17, 2009 01:26 PM

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: Integers IDs allow tables with ~2 billion records. Yes, you read well: max(Integer) = 2,147,483,647 the JPA pagination methods only acce

Posted: Sep. 7, 2009 09:12 AM

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 plan to start to blog some technical results here, but until that glorious free time I would give you a glimpse about

Posted: Sep. 7, 2009 06:55 AM

Have a nice weekend java.net

java.net is evolving to a more sophisticated and modern infra-structure, so I hope to see you all on Monday :) For the last few years, java.net portal is supporting for free my blogs and my

Posted: Aug. 20, 2009 06:21 AM