I’ve had my fair share of Java bugs.… [read]

Many developers like to work in isolation, for some time, if not always. XP recommends a room arrangement called “Caves and Commons”. Commons area is organized to maximise osmotic communication.… [read]

Today we're going to take a look at the Visitor pattern. Of all of the patterns that I've used so far, Visitor is by far the most powerful and convenient.… [read]

On September 6th, 2007 i received a message from Chloe Arrowsmith of Google over Linkedin,… [read]

After nearly 10 years at Sun, and 5 years as Chief Open Source Officer, I have now left Sun.… [read]

Even though we had some big news today about our VC funding, it’s business-as-usual here at eXo.  We’re busy getting ready for the launch of the open source portal framework, GateIn,… [read]

A simple overview of JSON (Javascript Object Notation) for beginners. Helps to understand JSON data structure and it use. [read]

Spring’s dependency checking in bean configuration file is used to check all properties of a certain types (primitive, collection or object). In most scenarios,… [read]

Today, Terracotta is releasing new versions of Ehcache and the Terracotta infrastructure.… [read]

From Java EE to Google App Engine to GigaSpaces, the idea of developing against a middleware or "infrastructure" API is well established in the Java world. But these are fixed environments.… [read]

First article in a series on developing an application in Java using the MVC design pattern. [read]

Much has been said in the blogosphere about the differences between Maven and Ant.  Lines have been drawn between tech bloggers,… [read]

New MC article -- for all eager to implement new deployers ;-) http://java.dzone.… [read]

Former Novell CTO Becomes W3C CEO [read]

The Drools Open Source Healthcare conference, mentioned previous here, has the go ahead. 19th of April, San Diego. Will blog more details soon.… [read]

It's been a long time since our JBoss ClassLoading article. During this time we've been quite busy with the new Microcontainer 2.2.x version series,… [read]

Speaking about the public allegations that Mark Zuckerberg, alleged founder of Facebook,… [read]

op4j is a developer happiness tool. It is a Java library aimed at improving quality, semantics, cleanness and readability of Java code, especially auxiliary code like data conversion,… [read]

Someone recently asked me what technologies I would recommend for the next Enterprise Web Project. Like a good little software developer,… [read]

In a similar vein to my previous post, I’ve revived some old posts about acceptance testing — and made significant additions.… [read]

I've been using opensolaris since the 2008/11 release, and I'm still enjoying OpenSolaris, every single day! [read]

Nexus is a maven repository manager. You can use Nexus to host your own maven repository for artifact created in your company, or for caching external artifacts.… [read]

Are you tired of turning every non-trivial class into an interface, and then create an "Impl" that actually does the work when mocking objects for testing?… [read]

Five articles on classloaders, objects, classes, redeploying, OSGi, Tapestry 5, HotSwap, JRebel and other aspects of Java class reloading and turnaround.… [read]

JavaFX is a promising technology for nice Rich Internet Applications (RIA). However this is a quiet recent product (it was introduced by Sun at JavaOne,… [read]

Mac OS X Snow Leopard For Dummies by Bob LeVitus (8)Buy new: $24.99 $12.50 40 used & new from $12.50(Ranking is updated hourly.… [read]

In this tutorial, you will reuse the last simple Maven + Spring hello world example. Prerequisite requirement - Create simple Maven + Spring project in last tutorial.… [read]

After some previous 3.2.0 ALPHA releases, this is the first 3.2.0 BETA release. It comes with some new features and some improvements.The Netty 3.2.… [read]

I just learned about the design by contract features of Clojure, and I’m impressed by the simplicity. It’s implemented using regular Clojure metadata (i.e. no new language constructs to support this).… [read]

Part 2 of Swinging Task Dialog series [read]

When I discussed VersionControlTools I said that it was an unscientific agglomeration of opinion.… [read]

After nearly 10 years at Sun, and 5 years as Chief Open Source Officer, I have now left Sun.… [read]

Pro Git - Smart HTTP Transport [read]

Johannes Brodwall has posted another great description of his techniques dealing with Jetty in everyday development life. It was great to meet him in person finally in Oslo recently,… [read]

If you have a method like: String getParameter(String name, String defaultValue) where defaultValue is returned if the parameter isn’t specified,… [read]

Enterprise build system, Gradle Inc.… [read]

A great read! Batch Import Performance with Grails and MySQL Some really useful comments, too! Worth keeping a pointer to… I particularly liked the passing comment: At this point,… [read]

The plan is to post a music video regularly: http://songsofawesome.tumblr.com [read]

For a limited time during the Early Access period, MyEclipse for Spring is more than 50% off the regular price!… [read]

I would like to thank all the people that have sent us email or tweets to congratulate us about our fund-raising, we do appreciate all the support. The more I think about it though,… [read]

In a recent post, XebiaLabs' CTO Vincent Partington discussed some important organizational topics you will want to address while introducing deployment automation using Deployit.… [read]

From Java EE to Google App Engine to GigaSpaces, the idea of developing against a middleware or "infrastructure" API is well established in the Java world. But these are fixed environments.… [read]

Clemens published a list of the new features coming up in the patchset 2 of SOA Suite 11gR1.… [read]

A quick Tattletale 1.1.0.CR2 as some critical bugs were found in the 1.1.0.CR1 release. Full release notes are here. For Those About to Rock, We Salute You !… [read]

After nearly 10 years at Sun, and 5 years as Chief Open Source Officer, I have now left Sun.… [read]

Register by the end of this week and get a free t-shirt when you attend GR8 in the US! Save $50 off our regular admission price. You cannot beat the GR8 value you will get by attending. Register now..… [read]

Frank Wierzbicki is the Jython project lead and a lead developer at Sauce Labs.  He's been working on Jython as an open source project since 2004 and using Jython since 1999. After a year at Sun,… [read]

Today, Terracotta is releasing new versions of Ehcache and the Terracotta infrastructure. Today's bundle release, which is appropriately named "Project Darwin", contains Terracotta version 3.2.1,… [read]

As developers, we often build scripts and tools to sharpen our workflow. One of the simple scripts that I am refining is palm-run, my swiss-army knive of a tool that deals with packaging, installing,… [read]

n my current project, I need to launch an external application and maybe execute some additional commands on this external application. Due to the very nature of the project,… [read]

Today I'd like to explain why a wise service consumer should not ask a service provider for a service client. Before I start with all the technical details,… [read]

Basic error handling Seam, JSF and Java all team up together to help developers in displaying error messages to the user. JSF provides the basis, with the FacesMessage mechanism.… [read]

A directory of open source and commercial continuous integration tools with additional reviews and resources. [read]

I was amazed to see Jaroslav Tulach demo NetBeans running Mylyn's Bugzilla bundle. His experiment is part of a plan to have NetBeans interoperate with OSGI.… [read]

Sonatype is excited to announce that p2 is one of the finalists for the Eclipse Community Award!  P2 is a finalist in the ‘most open project’ category.… [read]

Enterprise build system, Gradle Inc.… [read]

Did you miss our Application Performance Management virtual seminar in February? In these expert presentations discover the best techniques for perfecting performance builds and for finding,… [read]

I’ve gotten some excellent feedback on the benchmark I posted a few days ago, titled “Hibernate is faster than I thought it was,” from Hibernate supporters who were a little upset,… [read]

Today we're going to take a look at the Visitor pattern. Of all of the patterns that I've used so far, Visitor is by far the most powerful and convenient. [read]

Groovy adds the method getAt(String) to the Collection class. We can use it to request property values from elements in a list. class User { String name } def list = [new Date(),… [read]

For quite some time now (at least the last couple of years), I’ve been using the Google geocoder to translate addresses into latitudes and longitudes. It’s a good system,… [read]

Web services testing software vendor eviware has released soapUI 3.5, which now supports the testing of JMS, AMF and databases. Free and open-source,… [read]

Almost no spare time this week, so just the links: Virtual Team Member Dolly – from Lisa Crispin. Lisa talks about giving a remote Developer based in India a presence on her team. This is cool.… [read]

SoapUI is a useful tool for testing web services. Not only makes it possible to test deployed web services,… [read]

In his latest post at Pushing Pixels, Kirill Grouchnikov talks about what's New in Trident 1.2.… [read]

Experiments with OOo and NetBeans. [read]

I recently examined a JSR 168 portlet which tackled the thorny area of AJAX in a Portlet ( incidentally the portlet I was looking at is the Jasig Calendar Portlet ).… [read]

Five years ago, I posted about method pointers in Java using reflection. My conclusion was that you'd better use the Command Pattern than reflection if performance is an issue.… [read]

Entry posted to my new blog. [read]

Today I gave a Groovy & Grails presentation to my colleagues at Kabisa ICT. Check it out here.Groovy & GrailsView more presentations from Marcel Overdijk.… [read]

Someone recently asked me what technologies I would recommend for the next Enterprise Web Project. Like a good little software developer,… [read]

One problem that you’ll face in practically any application, including a Vaadin-powered one, is getting hold of data or external services.… [read]

The HTML5 specification introduces the and media elements, and with them the opportunity to dramatically change the way we integrate media on the web.… [read]

Continuous integration is a software development practice where members of a team integrate their work frequently.… [read]

DbWrench, which is database design and synchronization software, is clearly an application created on top of the NetBeans Platform: And,… [read]

Imaginons que vous ayez à votre disposition un client de Web service et que pour une raison (qui doit être bonne je l’accorde),… [read]

Dass meine Beitr��ge f��r die Kategorie weekly links eine Zeit lang pausiert haben, lag auch daran, dass mich das Kopieren der Links ziemlich genervt hat. Was macht man also als Programmierer,… [read]

// // // Over the Reloading Java Classes (RJC) article series, we’ve examined how class reloading happens,… [read]

Yesterday I gave a presentation at lsug.org on "Getting started with Lift".  When I first started looking at Lift I found it quite tricky to grasp what was going on,… [read]

It is four months since the SOA manifesto was announced; InfoQ interviewed the original author’s and in some cases pulled in their comments on the manifesto from the web to get a broad understanding… [read]

Web services testing software vendor eviware has released soapUI 3.5, which now supports the testing of JMS, AMF and databases. Free and open-source,… [read]

DbWrench, which is database design and synchronization software, is clearly an application created on top of the NetBeans Platform: And,… [read]

Did a presentation about Groovy on Google's App Engine at GTUG Stockholm last thursday. Had a great evening as expected.… [read]

A jump list is a menu that shows you recent choice you might want to repeat. [read]

Did you miss our Application Performance Management virtual seminar in February? In these expert presentations discover the best techniques for perfecting performance builds and for finding,… [read]

Currently there is no configuration that supports making "No" button as default for a Confirm dialog in ExtJS. So how to make no button as default?… [read]

Today, Terracotta is releasing new versions of Ehcache and the Terracotta infrastructure.… [read]

Frank Wierzbicki is the Jython project lead and a lead developer at Sauce Labs. He's been working on Jython as an open source project since 2004 and using Jython since 1999. After a year at Sun,… [read]

Brix-cms and Weblogic 10.3 - Content Length Error - Didn't meet stated Content-Length [read]

The 2010 US Scrum Gathering kicked off Monday in Orlando with a buzzworthy day of "deep dive" learning, collaboration, and healthy debate. By Mike Bria [read]

Providing Content for Mobile Devices Java Entrepreneur This morning I listened to a very interesting podcast from ITconversations entitled Mobile Computing on… [read]

Are you tired of turning every non-trivial class into an interface, and then create an "Impl" that actually does the work when mocking objects for testing?… [read]

Genuitec this month is expected to deliver a new release of MyEclipse,… [read]

I’m currently in chapter 12 of Growing Object Oriented Software Guided By Tests and thought I’d share another good tidbit from one of the asides: Put Tests in a Different… [read]

In his latest post at Pushing Pixels, Kirill Grouchnikov talks about what's New in Trident 1.2.… [read]

Today I gave a Groovy & Grails presentation to my colleagues at Kabisa ICT. Check it out here.Groovy & GrailsView more presentations from Marcel Overdijk. [read]

Jmeter: Statistics Aggregate Report « .. Library of WONDERS .. – I found this interesting Jmeter plugin that would make your Jmeter reporting more effective.… [read]

As you might know, TeamCity comes with such feature as build tags – do not confuse with supported VCS tags, because that’s an entirely different story.… [read]

Five articles on classloaders, objects, classes, redeploying, OSGi, Tapestry 5, HotSwap, JRebel and other aspects of Java class reloading and turnaround.… [read]

Gnome 2.4 [read]

Entry posted to my new blog. [read]

Former Novell CTO Becomes W3C CEO [read]

Acabou de sair a edi����o digital (a vers��o impressa deve estar para ser liberada nos pr��ximos dias) da Java Magazine 77 na qual o meu terceiro artigo da s��rie “Grails: do Groovy ��… [read]

Day two of the 2010 Scrum Gathering, packed full of a whirlwind of topics, talkers, activities, useful nuggets, and again (of course) healthy debates. Highlights including Harrison Owens,… [read]

On Twitter, there was a tweet from @javatools asking "Want to help testing NetBeans and have your name included in the NetBeans source code?… [read]

This article shows you step by step how to cache your entire tomcat web application using Squid reverse Proxy without writing any java code.… [read]

On Twitter, there was a tweet from @javatools asking "Want to help testing NetBeans and have your name included in the NetBeans source code?… [read]