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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
I presented this demo at DevNexus 2014 in Atlanta today. It is Reza's demo with just a pinch more Java EE thrown in. This blog entry covers how to fully internationalize an AngularJS application with just a pinch of Java EE. Reza hosts the code for this demo on his github. The demo has a chat client and a todo list. This blog entry only looks at the chat client, and assumes basic familiarity...
on Feb 25, 2014
This blog entry describes an unsupported process for overwriting the version of Mojarra that comes bundled in WLS 12.1.2 and beyond with an arbitrary version (from groupId org.glassfish artifactId javax.faces). Sometimes it is necessary to upgrade the version of Mojarra that comes bundled in WebLogic Server with a different version, either newer or older. One such usage: the Mojarra team at...
on Feb 14, 2014
I’ve been talking about JSF 2.2 new features out on the conference trail for quite a while now. I usually talk about the big three: Flows, Resource Library Contracts, and HTML5 Friendly Markup. This blog entry talks about another, mostly behind-the-scenes, feature: ClientWindow. I introduce the concept of ClientWindow and give a simple example illustrating one solution to a common web...
on Oct 7, 2013

Web Services and XML

It actually happened a few weeks ago already, but I simply didn't find the time to spread the word earlier -- just too much other stuff to do (see end of posting), so I tell you now: WebDAV Support for JAX-RS 1.2 is out! What has happened since 1.1? First of all, 1.2 is a complete internal overhaul, which not only finally is covered with unit tests rather completely (which revealed several...
on Mar 1, 2014

Community

I've been blessed with the opportunity to speak at DevNexus 2014. This is my first time speaking at a DevNexus event and I'm excited at the opportunity to meet and learn from many top-name speakers currently practicing today. As I planned out my time here are the sessions I've added to my calendar. Day 1: Monday 24 February 09:00 Welcome and Sven Peters Keynote, Hall A From the buzz around...
on Feb 18, 2014
The Java is a platform which grown up quickly, for many rations such it can write once time and run anywhere, it runs languages on JVM. There is a myth that Java cannot compile its sources on run time, but it's truth? Have a dynamic language is important to make some projects, for example, calculate taxes to different cities, so the source should be on the database and each city it puts the...
on Jan 19, 2014
This is my first blog on java.net! Happy new year! At 2014/01/11, A big Java EE 7 event has been held on China Nanjing Software Valley jointly organized by China (Nanjing) Software Valley Joint Management Committee and China Nanjing Java User Group. ChinaNanjingJUG(http://q.weibo.com/1696581) is founded at 2013, and focus on the promotion of Java EE and Java related technology into China....
on Jan 13, 2014
My JavaOne 2013: Wrapup This blog entry summarizes my session participation at JavaOne 2013. I plan to update this entry with links to the content on Parleys.com as it becomes available. Sessions I Attended In general, speaking more than listening is a very bad way to live. I find this holds true at conferences as well. Here are the sessions I attended. I attended eight and presented six, so I...
on Oct 1, 2013

Programming

Lets start with a small quiz: Can you find 3 differences in the pictures below? Yeah, you got it. That was an easy one. :) Surprisingly, implementing preview for extra asset types has been relatively simple as well. When coming up with the architecture of DAM, the Magnolia team chose to not generate previews and thumbnails of assets directly in the module, but rather delegate this functionality...
on Dec 31, 2013

Education

Just recently I was engaged to assist with an application that wasn’t behaving. The application, running in a 1.7.0_45 JVM, relied heavily on a 3rd party SAAS framework. That vendor provided my client with a list of 26 different JVM flags that should be set. When faced with this long list of flags I couldn’t resist asking why all the flags and why these flags. After all there are more than 700...
on Dec 11, 2013

JavaOne

I was very pleased to see the JFrog team take me up on my suggestion early this year that "Maybe the JFrog team will consider giving a presentation on how they put all this together at JavaOne this September". Unfortunately for me, the session (Building a Massively Scalable Cloud Service from the Ground Up) was already filled to capacity as I walked up to the door, so I was unable to attend....
on Dec 8, 2013

Blogging

SBT in Action by Joshua Suereth and Matthew Farwell has been updated! Save 45% and just enter promo code 112113jn at manning.com. What else is new? Chapter 6, "Process & IO with sbt's libraries" has been added to the MEAP (Manning Early Access Program). Chapter 6 takes a look at how sbt allows you to run external processes easily, and how to combine them in a shell-like manner. You’ll also...
on Nov 21, 2013

J2EE

Say you have a problem with how a particular component renders and you want to do it a bit different. Well in JSF that is not a problem there is a hook-in that you can use to override how a renderer does it rendering. The sample below shows you how to do it. You will have to do 2 things. 1. Register your own renderer for a given renderer type 2. Implement your own renderer. First lets make sure...
on Nov 5, 2013
See the release notes for what was fixed. If you want to download it, see this page for more information. Enjoy!
on Oct 31, 2013
I will be presenting the following sessions at Silicon Valley Code Camp 2013. For those in the Bay Area, Silicon Valley Code Camp is on Oct 5,6 2013 in Foothill College, Los Altos. It is a very well organized conference by the developers for the developers. This year has 232 sessions and 4500 registrations and am always amazed at the way Peter Kellner and his team pull this off! These are my...
on Oct 2, 2013

Databases

If you are having a problem with your JPA queries and you are trying to understand what SQL queries it actually sends below the covers you can configure the JPA runtime to show the actual SQL statements it sends over. How? Well for EclipseLink you would add the following to your persistence.xml file.   <property name="eclipselink.logging.level" value="FINEST"/>...
on Oct 27, 2013

Business

a little discussion in a television series here that i am the speaker. the topic is Java. The host, TV Excelence, said any update for Java and why Java is silence now. I said there are Java worlds which use Java but we cannot said it is Java, but use Java. 1. BigData with Hadoop under Apache , is a new ecosystem that based on Java. 2. Smartphone/Gadget with Android under Google with Apache...
on Oct 19, 2013

J2SE

Silicon Valley Code Camp is one of the best known secrets and one of the best organized conferences in the Bay Area. I have the pleasure to speak at this conference for the past two years and am amazed at its growing popularity. Here are some statistics for this year 4500 registrations and registration was closed 230 sessions The Code Camp consists of these points: By and for the developer...
on Oct 6, 2013