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Community

This is the third part (part 1, part 2) of a multi-part video series where Lincoln Baxter (@lincolnthree) and I are interactively building a Forge addon to add Java EE 7 Batch functionality. Part 1 showed how to get started with creating an addon, add relevant POM dependencies, build and install the addon using Forge shell, add a new command batch-new-jobxml, and add --reader, --processor, --...
on May 28, 2014
JBoss EAP (Enterprise Application Platform) is the commercially supported version of community supported JBoss AS 7.x. JBoss EAP 7 is scheduled to be released next year and will provide full compliance with Java EE 7. In the meanwhile, JBoss EAP 6.3 is getting ready to be released later this year. Download JBoss EAP 6.3 Alpha, or this is also linked from the main downloads page. A quick summary...
on May 7, 2014
JBoss Forge is the fastest way to build your Java EE applications, and not even tied to a particular IDE or an Application Server. Tech Tip #17 explained how to build a simple Java EE application rapidly, and deploy it on WildFly. JBoss Developer Studio provide a very neat integration with Forge as well. The instructions from the video are also explained in a text-based script here. Forge is...
on May 7, 2014
[Republishing from http://wildfly.org/news/2014/04/25/Getting-Started-WildFly-OpenShift/] OpenShift provides an open source hybrid cloud application platform by Red Hat. It enables polyglot applications to be deployed on a public, private, and a hybrid cloud very easily. It provides an extensible cartridge-based architecture that allows a wide range of functionality such as frameworks, databases...
on Apr 30, 2014
40+ Java User Groups from 6 continents have participated in WildFly 8 Launch so far, and a few more are still lined up. This has truly been a global participation so far, and truly reflects the spirit of Java community. Several of these were delivered virtually primarily using G+ hangout, and then some in person during the travel by WildFly team. Lots of interesting conversations and feedback...
on Apr 29, 2014
Oracle User Group Norway - Spring Seminar The OUGs are not the typical place for Java developers or community managers (namely me) to be. But OUGN has been working hard to build out a decent Java track with very good speakers, and it was a chance to see how the broader Oracle community is working together when it comes to Java. Also, I was in the neighborhood, more or less, and had never been on...
on Apr 21, 2014
Inaugural JavaLand in Germany It took trains, planes, and automobiles to get there. I had heard Germany ran some great conferences, but JavaLand was promised to be outstanding. Kevin already did an interview with one of the organizers, Markus Eisele, about why JavaLand is different. (https://weblogs.java.net/blog/editor/archive/2014/03/01/java-conferences...) But, I got to see first-hand if they...
on Apr 20, 2014

Programming

I've been developing webapps pretty much since the start of the web in the second half of the 90s, and in Java ever since the first edition of Java EE. During that time, I've met many people and have seen many different approaches to both the development and the testing of the code. One of the funnier parts of web app testing was a testing method used by one of the people I worked with. Between...
on May 26, 2014

Servlets

Server-Sent Events (SSE) is part of HTML5. SSE is a simple, undirectional communication from server to browser. It allows server to push data to client once a connection is established. The entire point of SSE is to make it easy for the server to push messages to the browser, once the browser has first established a connection to the server. These messages are of the form "field: value" with...
on May 21, 2014

Blogging

Recently, we were tasked to develop a SAAS application for big data analysis. To do data mining, the system need to store multi billion public posts in the database and run the classification process on them. Classification in our context is a slow, resource intensive and painful process to assign a topic or sentiment to any record in the database. The process can last up to 24 hours with our...
on May 20, 2014
Did you know that events where JBoss technologies are presented are listed in a calendar ? Are you talking at an event about JBoss technology and its not listed here ? Do you know of any event where JBoss technologies are talked about and not listed in this calendar ? Send us a request by filling this form. Subscribe to this calendar using any of the following links:    Here is a sampling of...
on Apr 30, 2014
This a fun story rather than a deep technical discussion of some performance issue, measure or tool. My memory was jogged by a story (http://www.folklore.org/StoryView.py?story=Negative_2000_Lines_Of_Code.txt) in which Bill Atkinson reported producing -2000 lines of code on his weekly productivity report and by Kevlin Henney retweeting one of my one liners, features are the asset, code is a...
on Apr 2, 2014
"First-class functions in Java 8" - is a video tutorial from Java 8 in Action: Lambdas, Streams, and functional-style programming by Raoul-Gabriel Urma, Mario Fusco, and Alan Mycroft. The video can be found here: http://youtu.be/Rd-sqHjmfB0 Java developers are hearing a lot of buzz about functional-style programming, especially with Java 8's addition of lambda expressions. This video introduces...
on Mar 17, 2014

J2EE

We've been using TDD for Mojarra for nearly a decade now and after all that time, we have decent number of tests. For historical reasons these tests mostly use GlassFish, but we are naturally migrating them to use WebLogic Server. As part of that work, I had to learn how to set up a simple cluster in WebLogic Server 12.1.2 to validate the fix for this bug that prevents @ViewScoped beans from...
on Apr 25, 2014

J2SE

Runtime type information (RTTI) refers to the correct identification of the type of your objects at run time. When you write code, it is generally desirable to do so in a way that takes advantage of OOP features like encapsulation and inheritance to make your program easily extensible, by for instance, as much as possible manipulating references to base classes and letting polymorphism work for...
on Apr 21, 2014
In this post, I try to give a reasonable account of Java's error handling system being as it is that the handling of errors is a concern that any reasonable programming language must find some way to contend with. Java's error handling methodology is based on an idea of exceptions. An exception is a condition that prevents your program from further executing along the current path. It signifies...
on Mar 5, 2014

Web Applications

While parts of the cloud IT that are still being hyped are changing rapidly, the whole segment is not past the hype yet. The cloud report [1] that Gartner published 9 months ago still holds true today. Reports of disillusioned customers of such solutions [2][3] are a clear sign that the hype might have reached its peak for most parts of cloud offerings, though. And while many articles discuss the...
on Mar 30, 2014
This entry lists Ed’s picks for the brand new JavaLand conference. Many of the talks are in German, but there is enough English to make it worth your time. It looks like there is a lot more English content in day two. Also, the conference was endorsed by java.net editor Kevin Farnham in his blog post from Saturday, 1 March 2014. Monday 25 March 2014 Welcome and Keynote, Fried Saacke,...
on Mar 3, 2014

Swing

Nimbus is a cross-platform look and feel introduced in the Java SE 6 Update 10 (6u10) release. Based on Synth Look and Feel you can modify global properties. Properties can be simple (for example colors or dimensions) or more complex (for example Painters). If you want to create you own painter you will probably extends AbstractRegionPainter which is used to paint a certain Region (a region...
on Mar 13, 2014

Tools

In the most recently completed Java.net poll, the community selected Jenkins as its preferred Continuous Integration (CI) server. This was the third in a series of Java.net polls related to Java tools. A total of 260 votes were cast in the poll. The exact question and results were: Which Continuous Integration (CI) server do you prefer? 7% (17 votes) - Bamboo 1% (2 votes) - Continuum 2% (6...
on Mar 9, 2014