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JBoss Drools unit testing with junit-drools

Recently I’ve been working with a project heavily using JBoss Drools. I am not Drools expert – I am not also very convinced to this framework, or maybe only to particular use case ...
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Spring REST: Exception handling vol. 2

This is a second article from the series about REST Exception handling with Spring. In my previous post I have described how to organise the most simple exception handling in a REST ...
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A Lesser-Known Java 8 Feature: Generalized Target-Type Inference

Going through the list of Java 8 features, Generalized Target-Type Inference struck me as a particularly interesting, lesser-known gem. It looks as though the Java language designers ...
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How Many People Can You Manage as a Manager?

In my first management role, I “managed” one person.  My managee didn’t need much management. He guided me into how to manage him more than I managed him. He saved me from making ...
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Spring Data MongoDB cascade save on DBRef objects

Spring Data MongoDB by default does not support cascade operations on referenced objects with @DBRef annotations as reference says: The mapping framework does not handle cascading saves. ...
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Exploit better the results of Pmd, Findbugs and CheckStyle.

Many Java static analysis tools exist right there, each one focus on a specific area and has its advantages, we can enumerate:                  Pmd ...
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Add Apache Camel and Spring as jboss modules in WildFly

These days I am playing with Wildfly and Apache Camel and Spring. A simple way to communicate between EARs / WARs is using direct-vm component of Camel. There are many ways to achieve ...
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Thoughts on Blueprint and Declarative Services: Dependency injection or Dependency management

I’ve been using the OSGi Blueprint for a couple of years now and I have been happy with it. Blueprint is the obvious choice inside Apache Karaf and since it was a solution that ...
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Architecting a Multi-tenant Application

A multi-tenant application is an application where a single running instance serves many customers. An alternative to multi-tenancy is managed services, where one running instance is ...
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Crashing your JVM

Thorough testing can be harmful as we discovered recently. Extending our test coverage led us to a several-hours debugging session caused by just one line of code. What made the debugging ...
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