it's almost my second year participating in a project that features a J2EE application that uses a work-flow engine and the related BPM tools. Our main goal is to map our client's manual business processes to fully or semi automated work flow process that usually involve a large amount of human interaction through …

I get to receive quite often this question.This post is targeted to absolute beginners. It is just a collection of steps and relevant links on how to install MySQL database server on your mac, the default administration tools and a free mac based SQL client. Download MySQL Community Server. Head here, and select the …

I have to admit, it was quite a shock! I was enjoying my last easter holiday day off, in the sunny center of Athens, when eventually I had a quick look on my emails. Lots of replies in the Java Champions mailing list, the subject? 'Oracle buys Sun'. Thousands of students over the last decades have learn to identity the …

So, I have to use Eclipse Ganymedes 3.4 for some time @ work, I don't know how long I will last (the previous time it took me 1 week to switch back to Netbeans). Anyway, the reason is I have to work with some eclipse plugins -> JBoss tools! Anyway one of things that really annoys me in Eclipse is the SVN support. My …

1997-1998 -> 2009. Πέρασαν πάνω από 10 χρόνια, όταν τρέχαμε μαζί με τον Ηλία και τον Κώστα στα live μαζί με άλλα 100 άτομα για να ακούσουμε ίσως το πιο διαφορετικό Ελληνικό rock συγκρότημα των 90s με ήχο απ_ έξω και στοίχο ελληνικό! Κατς την ταπεινή μου άποψη group σαν τους Ονειροπαγίδα δεν έχει ξανάβγεί στην Ελληνική …

So this is it, another JHUG event (Sponsored by Sun Hellas this time) has come to an end. I am actually very happy, and I would like to share my thoughts on this one, despite the fact that this event was not packed - like the previous. It is a beautiful Saturday here in Athens, summer is just in the corner (or just …

In every WLI process you may construct individual exception handling mechanisms for each perform- step that try to handle the exceptions or propagate them to a more generic construct that resides on the top of your process (see the image above). It is often referred as the Global Exception Handler. You Just add an …

I stated writing Java on 1999. In the following years I loved Java, I loved it so much that I co-created the very first Java user group in Greece, I love Java so much that I try to be some sort of evangelist, I love Java so much that I like to share my Java thoughts with friends and colleagues.I love Java so much that …

Created with Admarket's flickrSLiDR. live podcast from the JavaPosse. Actually it was my second live JavaPosse after Java One! We had beer, Neal Gafter and J.Bloch came on stage together with Carl Quinn and Dick Wall. Tor Norbye and Joe Nuxoll was on screen with a Skype cast - pretty impressive! Neal Gafter was giving …

So here we are again! The exhibition center is up and running, Sun Microsystems, Adobe, SAP, IBM and Oracle are one of the big kiosks you may find freebies, sign forms or get some books. Here is set of photos! I started my day with a large dose of Adobe Flex. I have to admit this year Flex and all it's related …