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Custom Deserializer in Jackson and validation

tl;dr: it is important to add input validation to custom json deserializers in Jackson. In RHQ we make use of Json parsing in a few places – be it directly in the as7/Wildfly ...
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Servlet 3.0 Overview

Servlet 3.0 – has a bunch of ground breaking features that will ultimately change how developers will code and write JEE Web Applications – some might say that its conventions defy ...
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Transactional caching for Camel with Infinispan

Some time ago I created a Redis connector for Camel. Redis is awesome key-value store (and a lot more) but then I needed a cache running in the same JVM as Camel and noticed Infinispan ...
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Iterator Design Pattern in Java – Example Tutorial

Iterator pattern in one of the behavioral pattern and it’s used to provide a standard way to traverse through a group of Objects. Iterator pattern is widely used in Java Collection ...
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Broken Glass : Diagnosing Production Cassandra Issues

I just past my second year anniversary at Health Market Science (HMS), and we’ve been working with Cassandra for almost the entirety of my career here.   In that time, we have ...
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Java Exception Handling Tutorial with Examples and Best Practices

Exception is an error event that can happen during the execution of a program and disrupts its normal flow. Java provides a robust and object oriented way to handle exception scenarios, ...
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Java Generics Tutorial – Example Class, Interface, Methods, Wildcards and much more

Generics is one of the core feature of Java programming and it was introduced in Java 5. If you have been working on Java Collections and with version 5 or higher, I am sure that you ...
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How to create Thread Pools using Java 5 Executor Framework

Java 5 introduced Thread pool in Java in form of Executor framework, which allows Java programmer to decouple submission of task to execution of task. If you are doing server side programming ...
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ReSQL?

The NoSQL moniker that was coined circa 2009 marked a move from the “traditional” relational model. There were quite a few non-relational databases around prior to 2009, but in ...
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Building a Manufacturing Service Bus (MSB) with WSO2 ESB

Before getting in to the subject, I would like to introduce few terminology commonly used in the manufacturing industry. The term Manufacturing Execution System (MES) was coined by ...
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