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Hazelcast Distributed Execution with Spring

The ExecutorService feature had come with Java 5 and is under java.util.concurrent package. It extends the Executor interface and provides a thread pool functionality to execute asynchronous short tasks. Java Executor Service Type ...
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From XaaS to Java EE – Which damn cloud is right for me in 2012?

Have you ever wondered what it takes to get your Java EE up and running somewhere? I did. For years. Started with hosting my own, moved on to some hosting offerings and finally stumbled upon the PaaS movement. Honestly I didn ...
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Spring’s Web MVC – Redirect to the Memory Leak

They say that one rock can cause an avalanche. Lately, one of my Colleagues, Marcin Radoszewski, gave me such a rock. You’ll probably never guess what it is, but there is a chance, that you use it in many of your Web Applica ...
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Writing Acceptance Tests for Openshift + MongoDb Applications

Acceptance testing are used to determine if the requirements of a specification are met. It should be run in an environment as similar as possible of the production one. So if your application is deployed into Openshift you will r ...
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JAX-RS Bean Validation Error Message Internationalization

Introduction to Bean Validation JavaBeans Validation (Bean Validation) is a new validation model available as part of Java EE 6 platform. The Bean Validation model is supported by constraints in the form of annotations placed on a ...
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JBoss BRMS Best Practices – tips for your BPM Process Initialization Layer

I have posted some articles in the past on migration strategies, taken closer looks at process layers and provided some best practices for jBPM, both touching on very specific parts of your BPM strategies. I wanted to revisit the ...
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TaskletStep Oriented Processing in Spring Batch

Many enterprise applications require batch processing to process billions of transactions every day. These big transaction sets have to be processed without performance problems. Spring Batch is a lightweight and robust batch fram ...
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ActiveMQ: Understanding Memory Usage

As indicated by some recent mailing list emails and a lot of info returned from Google, ActiveMQ’s SystemUsage and particularly the MemoryUsage functionality has left some people confused. I’ll try to explain some details arou ...
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Session Timeout Handling on JSF AJAX request

Session Timeout Handling on JSF AJAX request When we develop JSF application with AJAX behaviour, we may experience the problem in handling timeout scenario of Ajax request. For example, if you are using J2EE Form-based authentic ...
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Google Guava EventBus and Java 7 WatchService for Event Programming

This post is going to cover using the Guava EventBus to publish changes to a directory or sub-directories detected by the Java 7 WatchService. The Guava EventBus is a great way to add publish/subscribe communication to an applicat ...
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