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Why does my Java process consume more memory than Xmx?

Some of you have been there. You have added -Xmx option to your startup scripts and sat back relaxed knowing that there is no way your Java process is going to eat up more memory than ...
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Java SE 7 Update 25 – Release-Notes explained.

Yesterday was CPU day. Oracle released the Java SE update 25 with the June Java Critical Patch Update. After the last major update in April this is the last one which does not fit into ...
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Java EE 7 launch – Feedback and Press Coverage

Java EE 7 is a couple of days old already. We all have had a chance to either watch the live launch events or the available replays. The last MR releases finished pushing their stuff ...
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Documenting Compliance – About TCKs, Specifications and Testing

Working with software specifications is hard. No matter in which exact filed; you end up with the big question: Does everything ever specified is implemented and tested? Back in the ...
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Unit Testing Tip: Create Descriptive Tests

Your unit tests should be as descriptive as possible. The feedback they give you should be so clear you don’t even need to fire up the debugger and step one by one through the code ...
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MOXy’s @XmlVariableNode – JSON Schema Example

We are in the process of adding the ability to generate a JSON Schema from your domain model to EclipseLink MOXy.  To accomplish this we have created a new Variable Node mapping. In ...
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JMeter custom function implementation

JMeter provides functions that can be used in the sampler. While writing complex test-plan you feel that JMeter is lacking some of the methods. You use Beanshell script to define your ...
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Simple Spring Memcached – Spring Caching Abstraction and Memcached

Caching remains the one of the most basic performance enhancing mechanism in any read heavy database application. Spring 3.1 release came up with a cool new feature called Cache ...
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Design Patterns: Strategy

This time I want to talk about Strategy design pattern. In this way I start articles about behavioral design patterns. These kind of patterns represent some schemas of interaction between ...
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Quicksorting – 3-way and Dual Pivot

It’s no news that Quicksort is considered one of the most important algorithms of the century and that it is the defacto system sort for many languages, including the Arrays.sort ...
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