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Liferay – Simple Theme Development

Indeed, Liferay has come a long way with its 6.1 version, that fully supports JSF and IceFaces. I’m still trying to learn the ropes of it as I aim to have it the standard collaboration ...
apache-log4j-logo

How to change logging level in runtime

Changing the log logging level in runtime is important mainly in production environment where you might want to have debug logging for limited amount of time. Well, changing the root ...
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GlassFish JDBC Security with Salted Passwords on MySQL

One of the most successful posts on this blog is my post about setting up a JDBC Security Realm with form based authentication on GlassFish. Some comments on this ...
google-app-engine-logo

All That Cloud: Amazon, Google App Engine, Windows Azure, Heroku, Jelastic

You wanna be in the cloud? You have plenty of options. I’ve evaluated or used many of them, so here are a few words about each. (I will include some Java-related comments, as I’m ...
java-interview-questions-answers

JAXB – No Annotations Required

There appears to be a misconception that annotations are required on the model in order to use a JAXB (JSR-222) implementation. The truth is that JAXB is configuration by exception, ...
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Answering with Mockito

When you are writing unit tests, you must keep in mind to not have dependencies to external components. To avoid this we use mock frameworks which for me the easiest one to ...
java-logo

Hash Length Extension Attacks

In this post I will try to leave the summer slump behind and focus on more interesting things than complaining about the weather – hash length extension attacks. Hash length extension ...
eclipselink-logo

EclipseLink MOXy as a JAXB provider

EclipseLink MOXy is a JAXB provider and is a compelling alternative to the default JAXB provider built into JDK. First a simple test to marshal a Java object to XML: This is the model: @XmlRootElement(name='MemberDetailsRequest', ...
spring-interview-questions-answers

Spring Integration – Session 2 – More Hello Worlds

This is a follow up to Spring Integration Session 1 The first session was a simple Hello World application using Spring Integration. I want to ...
java-logo

String memory internals

This article is based on my answer on StackOverflow. I am trying to explain how String class stores the texts, how interning and constant pool works. The main ...
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