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Long Polling with Spring 3.2′s DeferredResult

In our last episode, the CEO of Agile Cowboys Inc had just hired a Java/Spring consultant by giving him the Porsche that he originally bought for his girlfriend. Being upset by the ...
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Bean Manipulation using Dozer Framework

Introduction As you know you can copy file or folder from source location to destination location in any operating system. Have you ever thought about copy the java object which is ...
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Unit testing a Java Hadoop job

In my previous post I showed how to setup a complete Maven based project to create a Hadoop job in Java. Of course it wasn’t complete because it is missing the unit test part . In ...
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Optimizing Java Serialization – Java vs XML vs JSON vs Kryo vs POF

Perhaps I’m naive, but I always thought Java serialization must surely be the fastest and most efficient way to serialize Java objects into binary form. After all, Java is on ...
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JAAS-secured JAX-RS end point

With the advent of RESTFUL (JAX-RS) as the “preferred” way to create web service end points, for a long time I have always wondered how people implement security mechanism around ...
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Apache Camel Broker Component for ActiveMQ 5.9

Embedding Apache Camel inside the ActiveMQ broker provides great flexibility for extending the message broker with the integration power of Camel. Apache Camel routes also benefit in ...
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Using HA Singleton in JBoss 7

Some time ago I had to change standard clustering behavior of Quartz Scheduler, and let it work without synchronizing over database. There are of course a lot of options to do that, ...
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Run your Hadoop MapReduce job on Amazon EMR

I have posted a while ago how to setup an EMR cluster by using CLI. In this post I will show how to setup the cluster by using the Java SDK for AWS. The best way to show how to do this ...
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How to create JQuery DataTable using JSON and servlet

In this article I’ll introduce the basic coding that require to create JQuery DataTable using JSON passed by simple servlet. DataTable is very powerful JQuery based grid with advance ...
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Restlet Framework – Hello World Example

Restlet is a lightweight, comprehensive, open source REST framework for the Java platform. Restlet is suitable for both server and client Web applications. It supports major Internet ...
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