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ActiveMQ – Network of Brokers Explained – Part 5

In the previous part 4 we have seen how to load balance remote consumers on a queue using network connectors. In this part 5, we will see how the same configuration would work if we ...
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Java EE7 and Maven project for newbies – part 5 – Unit testing using Arquillian / Wildfly 8

Resuming from the previous parts Part #1, Part #2, Part #3, Part #4, This is the first ‘extra’ post, based on the  maven JavaEE7 demo project I am ‘building’ ...
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SynchronousQueue Example in Java – Producer Consumer Solution

SynchronousQueue is special kind of BlockingQueue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa. When you call put() ...
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The minimal configuration for testing Hibernate

Introduction In my previous post I announced my intention of creating a personal Hibernate course. The first thing to start with is a minimal testing configuration. The examples are ...
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Building a simple RESTful API with Spark

Disclaimer: This post is about the Java micro web framework named Spark and not about the data processing engine Apache Spark. In this blog post we will see how Spark can be used to ...
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Out of memory: Kill process or sacrifice child

It is 6 AM. I am awake summarizing the sequence of events leading to my way-too-early wake up call. As those stories start, my phone alarm went off. Sleepy and grumpy me checked the ...
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Spring/Hibernate improved SQL logging with log4jdbc

Hibernate provides SQL logging out of the box, but such logging only shows prepared statements, and not the actual SQL queries sent to the database. It also does not log the execution ...
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Beauty and strangeness of generics

Recently, I was preparing for my Oracle Certified Professional, Java SE 7 Programmer exam and I happened to encounter some rather strange-looking constructions in the realm of generics ...
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Performance Tuning of Spring/Hibernate Applications

For most typical Spring/Hibernate enterprise applications, the application performance depends almost entirely on the performance of it’s persistence layer. This post will go ...
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7 New Tools Java Developers Should Know

                       Get ready to lock and load through this quick overview of some of the newest most innovative, tools ...
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