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Getting rid of null parameters with a simple spring aspect

What is the most hated and at the same time the most popular exception in the world? I bet it’s the NullPointerException. NullPointerException can mean anything, from simple “ups, ...
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Introduction to Enterprise Integration Patterns

In this blog entry we will go through some of Enterprise Integration Patterns. These are known design patterns that aims to solve integration challenges. After reading this one would ...
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Making Plain Old Java OSGi Compatible

Although OSGi is increasingly popular in the Java world, there are many Java applications and libraries that have not been designed to work in OSGi. Sometimes you may need to run such ...
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JSON-Schema in WADL

In between other jobs I have been recently been reviewing the WADL specification with a view to fixing some documentation problems with a view to producing an updated version. One of ...
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Simple Workflow Engine With Spring

Few months ago, during working on one of the company project, we had need to developed REST services which is used for sending an email depending on data sent by client application. ...
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Embedding HSQLDB server instance in Spring

I was using XAMPP happily for development until I had to host it somewhere accessible via the Internet for the client to test and use. I have a VPS that only has 384 RAM, and needing ...
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Spring 3.1, Cloud Foundry and Local Development

This post will help you build a Spring 3.1 web application using MongoDB on Cloud Foundry. In addition to pushing to Cloud Foundry, you will also be able to develop in your local environment ...
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Hadoop + Amazon EC2 – An updated tutorial

There is an old tutorial placed at Hadoop’s wiki page: http://wiki.apache.org/hadoop/AmazonEC2, but recently I had to follow this tutorial and I noticed that it doesn’t ...
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Basics about Servlets

Through this tutorial i will try to get you closer to the Java Servlet Model. Before we start with examination of classes defined within the servlet specification, i will explain basic ...
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Java Regular Expression Tutorial with Examples

When I started my career in java, regular expressions were a nightmare for me. This tutorial is aimed to help you mastering java regular expression and for me to come back at regular ...
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