Java
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OpenShift Express: Deploy a Java EE application (with AS7 support)
During the past few years, I’ve been hearing about “cloud” services more and more. Initially I wasn’t really curious to…
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Profile your applications with Java VisualVM
When you need to discover what part of an application consume the more CPU or Memory, you must use a…
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Java 8 Status Updates
The two big new language features of the upcoming Java SE 8 release are Lambda Expressions and Modularity. For both,…
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Simulating CDI’s Session and Request Scope in a J2SE app
We’re currently considering refactoring the Naked Objects framework to use JSR-330 (dependency injection) and EE-oriented big brother, JSR-299 (CDI). Using…
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Enabling JMX in Hibernate, EhCache, Quartz, DBCP and Spring
Continuing our journey with JMX (see: JMX for human beings) we will learn how to enable JMX support (typically statistics…
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OSGi: An Introduction
OSGi, created for Java-based systems, provides a framework for modular systems. OSGi makes it possible to define the dependencies of…
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DB unit testing with dbUnit, JSON, HSQLDB and JUnit Rules
In this week’s run of my TDD course, I thought it would be interesting to write a little fixture to…
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Debugging the JVM
In some (rare) cases you might find yourself in the situation that you managed to crash the JVM itself. I…
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Introducing Deliberate Caching
A few weeks ago I attended a ThoughtWorks Technology Radar seminar. I worked at ThoughtWorks for years and think if…
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