Redis is a NOSQL database written in C. The Remote Dictionary Server is a key-value data base whose the storage is in memory, then the write and read will fastest way, but which difference between Redis and Cache? What does happen when the database fall down? Will we lost the all informations?
The main goal of this article is talk about the Redis and show an open source project, the redis-...
on Aug 1, 2014
I meant to mark this anniversary when it came up, but missed doing so. It's been ten years, so what's an additional five weeks going to mean. On 28 June 2004 I announced, with my first entry on this blog, the first part of Java to be released into open-source. That initial release of the JavaServer Faces reference implementation was the first step in the journey towards opening Java that...
on Aug 1, 2014
As my colleague and co-spec lead Shing-Wai Chan announced last week, Oracle is getting ready to start JCP work on Servlet 4.0, including support for HTTP/2. While this JSR hasn't officially started, there are two undergoing efforts for HTTP/2 in Java that I'd like to bring to your attention.
The first is from long-time Servlet EG member Greg Wilkins, who we all know as the man behind Jetty....
on Jul 29, 2014
For all JSF folks out there. Some important news happened. What is it? Well, Ed Burns announced Oracle's intent to file JSF 2.3 JSR with me as co-spec lead. See the email to the EG at https://java.net/projects/javaserverfaces-spec-public/lists/users/archiv...
on Jul 22, 2014
In an earlier blog entry I listed my picks for DevNexus 2014. This blog entry summarizes my notes from this show.
I corroborate the common wisdom about DevNexus being a very well run show. This was my first time presenting and I found the talk selection on the first day to have the right mix of diversity and depth for the working developer. The second day was much less compelling for me,...
on Jul 7, 2014
There is a Maven archetype to create Java EE 7 application:
mvn --batch-mode -DarchetypeGroupId=org.codehaus.mojo.archetypes -DarchetypeArtifactId=webapp-javaee7 -DgroupId=org.javaee7.sample -DartifactId=javaee7-sample -Dpackage=org.javaee7.sample archetype:generate
It generates a simple "pom.xml" with Java EE 7 API <dependency>. It does the job to get started with building the application...
on Jul 1, 2014
Thanks to @dmueller for inspiring this blog entry and @FarahJuma for keeping WildFly cartridge continuously updated!
Java EE 7 hands-on lab has been delivered at several conferences, meetups, Java User Groups, and other venues around the world. It provides instructions for a typical 3-tier application using several technologies in the Java EE 7 platform, such as WebSocket 1.0 (JSR 356), Batch...
on Jun 25, 2014
The usual Java EE BoF at DevoxxUK was another chance for community members to meet and discuss the past, present, and future of Java EE. The gathering happened on the first anniversary of Java EE 7 and so allowed us to focus on what happened in the past year and start focusing on what’s expected from Java EE 8.
Here are some notes:
Meetup started with the usual pet peeve of no official Java EE...
on Jun 25, 2014
JBoss Tools is a set of plugins for Eclipse that complements, enhances and goes beyond the support that exists for JBoss and related technologies in the default Eclipse distribution.
Until now, early builds of JBoss Tools were released at a regular cadence leading up to the release of a particular version. Anybody could download, integrate the plugins in Eclipse, test, and provide feedback....
on Jun 24, 2014
WildFly tooling is available in JBoss Developer Studio (Eclipse), NetBeans, and IntelliJ. While JBoss Developer Studio and IntelliJ provided in-built support for WildFly, and an extra plugin had to be installed for NetBeans. Not a big deal but NetBeans is more known for a seamless out-of-the-box experience. Starting with today's nightly, WildFly community is a step closer to that now!
on Jun 24, 2014
WildFly 8.1 was released recently. This release includes a few minor enhancements and 247 bug fixes. Several components were updated and all the details are available in Release Notes.
This is the first time patching infrastructure introduced in WildFly 8.0.0 can be used to update WildFly. So you can either download a full install of WildFly 8.1.0, or just the update to 8.0.0. This video...
on Jun 24, 2014
I’m happy to report that the 2014 edition of the Web Framework Smackdown is shaping up to be a good one. This year we have a solid lineup, and for the first time we are going beyond Java with the inclusion of Misko Hevery representing AnguarJS and Pete Hunt representing React. Representing a more Java-centric approach to UI we have myself (representing JavaEE and JSF) and Joonas Lehtinen...
on Jun 22, 2014
Using the Java 8 Date Time Classes with JPA!
With the Java 8 SE release, developers get a splendid new best-in-class Date-Time API. Wouldn't it be nice if you could use it with JPA? Not so fast. JPA and for that matter JDBC know nothing about the new classes, and if you use them in your entities, JPA will map them to BLOBs in your database by default. This happens in DDL or database creation, in...
on Jun 17, 2014
Have you recently checked out your company’s web presence and thought to yourself that it was in dire need of an update? But then maybe you started imagining the pain of pushing new data there, and resigned at the mountain of work ahead. Or maybe your mind turned to even more pressing problems with the site - maybe it doesn’t render correctly on mobile, or no updates get pushed into social media...
on Jun 5, 2014
In JSF you will see people from time to time use rendered="false". But what does it mean?
Well, because in JSF the actual request is page based it builds up a representation of the page when the page gets loaded. When it is building up this representation it builds up the entire page, even the parts that are not going to be rendered.
... <h:body> &...
on Jun 3, 2014
Tech Tip #25 showed how to configure WildFly on Raspberry Pi. Tech Tip #27 showed how to setup WildFly on two Raspberry Pis in managed domain mode. This tech tip will show how to setup a WildFly cluster over those two hosts.
WildFly supports mod_cluster out of the box. There are several advantages of mod_cluster:
Dynamic configuration of httpd workers
Server-side load balance factor calculation...
on May 30, 2014
Tech Tip #25 showed how to configure WildFly on Raspberry Pi. This tech tip will show how to setup a WildFly managed domain over two hosts running on Raspberry Pi.
Lets understand some basic concepts first.
WildFly can run in two modes:
Managed Domain allows you to run and manage a multi-server domain topology
Standalone allows to run a single instance of server
Multiple standalone instances...
on May 30, 2014
When I started my career as a Java developer close to 10 years ago, the industry is going through a revolutionary change. Spring framework, which was released in 2003, was quickly gaining ground and became a serious challenger to the bulky J2EE platform. Having gone through the transition time, I quickly found myself in favour of Spring framework instead of J2EE platform, even the earlier...
on Jul 14, 2014
When I started my career around 10 years ago, Struts MVC is the norm in the market. However, over the years, I observed the Spring MVC slowly gaining popularity. This is not a surprise to me, given the seamless integration of Spring MVC with Spring container and the flexibility and extensibility that it offers.
From my journey with Spring so far, I usually saw people making some common mistakes...
on Jul 5, 2014
Unlock productivity is one of the bigger concerns for any person taking management role. However, people rarely agree on the best approaches to improve performance. Over the years, I have observed different managers using the opposite practices to churn out best performance of the team they are managing. Unfortunately, some works and other don't. To be more accurate, what does not increase...
on Jun 18, 2014