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How cool is integration testing with Spring and Hibernate

I am guilty of not writing integration testing (At least for database related transactions) up until now. So in order to eradicate the guilt i read up on how one can achieve this with minimal effort during the weekend. Came up wit ...
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Working Efficiently with JUnit in Eclipse

Recently I was dragged into a discussion1 with some test infected2 fellows about how we use JUnit within the Eclipse IDE. Surprisingly the conversation brought up some ‘tips and tricks’ not everybody was aware of. This gave me ...
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Google Guava EventBus for Event Programming

 It’s a given in any software application there are objects that need to share information in order to get work done. In Java applications, one way of achieving information sharing is to have event listeners, whose sole purpose ...
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SQL Injection in Java Application

In this post we will discuss what is an SQL Injection attack. and how its may affect any web application its use the back end database. Here i concentrate on java web application. Open Web Application Security Project(OWAP) liste ...
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Guava’s Collections2: Filtering and Transforming Java Collections

One of the conveniences of Groovy is the ability to easily perform filtering and transformation operations on collections via Groovy’s closure support. Guava brings filtering and transformation on collections to standard Jav ...
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Tomcat Clustering Series Part 3 : Session Replication

This is the third part of the Tomcat Clustering Series. In this post we are going to discuss the how to setup session replication in tomcat clustering environment. Session replication makes High availability and full fail-over ca ...
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Guava’s Objects Class: Equals, HashCode, and ToString

If you are fortunate enough to be using JDK 7, the newly available Objects class is the obvious (at least to me) choice for implementing the ‘common’ Java object methods such as equals(Object) [with Objects.equals(Obje ...
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Scripted Reports with Groovy

Groovy has become my favorite scripting language and in this blog I look at some of Groovy’s features that make it particularly attractive for presenting text-based reports. The post will show how custom text-based reports o ...
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Hadoop Single Node Set Up

With this post I am hoping to share the procedure to set up Apache Hadoop in single node. Hadoop is used in dealing with Big Data sets where deployment is happening on low-cost commodity hardware. It is a map-reduce framework whic ...
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Database Encryption Using JPA Listeners

I recently had to add database encryption to a few fields and discovered a lot of bad advice out there. Architectural Issues The biggest problem is architectural. If your persistence manager quietly handles your encryption then, b ...
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