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Postgres and Oracle compatibility with Hibernate

There are situations your JEE application needs to support Postgres and Oracle as a Database. Hibernate should do the job here, however there are some specifics worth mentioning. While ...
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Event processing in camel-drools

In a previous post about camel-drools I’ve introduced camel-drools component and implemented some simple task-oriented process using rules inside Camel route. Today I’ll show how ...
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How to install Oracle’s Java on Ubuntu the easy way

Developers on Ubuntu are accustomed to seeing at least two flavors of Java. OpenJDK is an open-source build of the Java runtime and compiler.  The Oracle JDK is built upon this, but ...
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Tracking Exceptions With Spring – Part 2 – Delegate Pattern

In my last blog, I started to talk about the need to figure out whether or not your application is misbehaving in it’s production environment. I said that one method of monitoring ...
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Java Object Interning

Java stores the string contants appearing in the source code in a pool. In other words when you have a code like:                   String ...
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3 Reasons to choose Vert.x

Modern web applications and the rise of mobile clients redefined what is expected from a web server. Node.js was the first technology that recognized the paradigm shift and offered ...
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Parameterized JUnit tests

Sometimes you encounter a problem that just screams for using “parameterized” tests rather than copy/pasting the same method many times.   The test method is basically ...
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Spring Data Couchbase 1.0 GA Released

Spring Data Couchbase 1.0 GA release is here! The project is a part of the Spring Data project which aims to provide a familiar and consistent Spring-based programming model for new ...
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How to start multiple WebLogic managed servers

The WebLogic Server docs recommand you to create a dedicated admin server and then sepearate managed servers for application deployment. Here I will show you how to create one or more ...
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Using Lucene’s search server to search Jira issues

You may remember my first blog post describing how the Lucene developers eat our own dog food by using a Lucene search application to find our Jira issues. That application has become ...
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