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Spring Integration – Robust Splitter Aggregator

A Robust Splitter Aggregator Design Strategy – Messaging Gateway Adapter Pattern What do we mean by robust? In the context of this article, robustness refers to an ability to manage exception conditions within a flow without ...
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Oracle Coherence Best Practices for Session Management (Replication) in Clustered Application Servers Environment

Oracle Coherence is a in-memory data grid product, which is also being used commonly for Session Replication across cluster of application server nodes. It supports wide variety of application servers like WebLogic, WebSphere, Tom ...
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Searching made easy with Apache Lucene 4.3

Lucene is a Full Text Search Engine written in Java which can lend powerful search capabilities to any application. At heart of Lucene lies a file based Full Text Index. Lucene provides APIs to create this index and then add and d ...
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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 your fine-tuned option had permitted. And then ...
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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 the Oracle Critical Patch Update schedule alo ...
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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 to the JCP and it basically is a wrap. Time to ...
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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 days of waterfall driven methodologies this has ...
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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 to inspect your local variables. Why? Because t ...
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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 this post I will demonstrate the new mapping by ...
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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 own custom method. JMeter invokes Beanshell in ...
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