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JIRA 5.x Development Cookbook by Jobin Kuruvilla

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Architecture explained

It is best to learn the intricacies of system architecture with the help of a diagram. For the benefit of a brief but meaningful explanation on the JIRA architecture, let us have a quick look (or a long stare, whichever you are more comfortable with!) at the following diagram:

Architecture explained

JIRA is a web application built using the MVC architecture. It is fully written in Java and is deployed as a WAR file into a Java Servlet Container such as Tomcat.

The majority of the JIRA core functionality revolves around the JIRA Utility and Manager Classes, which thus becomes the heart of JIRA. It also interacts with a lot of third-party components, ...

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