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Coherence Event Processing by using Map Trigger Feature

This article shows how to process Coherence events by using Map Triggers. Basically, Distributed Data Management in Oracle Coherence is suggested to look over basic configuration and ...
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Performance Analysis of REST/HTTP Services with JMeter and Yourkit

My last post described how to accomplish stress- or load-testing of asynchronous REST/HTTP services with JMeter. However, running such tests often reveals that the system under test ...
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JUnit Rules

The first time I stumbled over a JUnit @Rule annotation I was a bit irritated of the concept. Having a public field in a test case seemed somewhat odd and so I was reluctant to use ...
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Spring: Setting Logging Dependencies

This post describes how to set-up logging dependencies in Spring. It is based on information available in a post by Dave Syer’s. A reminder on Java logging frameworks is available here. ...
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Testing Hadoop Programs with MRUnit

 This post will take a slight detour from implementing the patterns found in Data-Intensive Processing with MapReduce to discuss something equally important, testing. I was inspired ...
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Method Parameter Names and Spring

Continuing on the previous blog entry about Constructor and method parameters and Java not retaining the parameter names at runtime – the previous entry was about constructor ...
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Spring MVC Form Validation (With Annotations)

This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation ...
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Lets Crunch big data

As developers our focus is on simpler, effective solutions and thus one of the most valued principle is “Keep it simple and stupid”. But with Hadoop map-reduce it was a bit hard ...
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Spring Constructor Injection and Argument names

At runtime, java classes do not retain the name of the constructor or method parameters, unless classes are compiled with debug options on.This has some interesting implications ...
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Advanced ZK: Asynchronous UI updates and background processing – part 2

Introduction In part 1 I showed how server push and threads can be used to execute background tasks in a ZK application. However, the simple example had a major flaw that makes it a ...
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