HYTE Portal

Matt Pavlovich, in his final post on this series topic, discusses the migration of ActiveMQ to the Jakarta framework and outlines the challenges encountered during this process. It highlights the need to modernize the codebase, address technical debt, and upgrade frameworks like Jetty, Spring, and others to support Jakarta. The piece also emphasizes the introduction of transitional modules to support users during the migration, while noting the effort involved in ensuring backward compatibility and preparing ActiveMQ for future updates.

Matt outlines the journey and challenges involved in transitioning ActiveMQ, the most widely used messaging broker worldwide and a core component of the HYTE platform, from the javax namespace to the jakarta namespace as part of adapting to the new Jakarta EE APIs. It delves into technical aspects like upgrading ActiveMQ to support the JMS 2.0 API, dealing with technical debt, and updating other dependencies and frameworks to be compatible with Jakarta, along with the effort to reduce impact on users by providing transitional client jars. The shift aims to modernize ActiveMQ, resulting in the release of ActiveMQ 6.0.0 that aligns with the Jakarta namespace, illustrating both the scope of work and the strategic steps taken to ensure backward compatibility and future readiness.

Matt discusses the migration process for enterprise Java applications from the 'javax' namespace to the 'jakarta' namespace as part of adapting to the new Jakarta EE APIs, a process driven by the changes due to Spring framework's timeline and Java's updates. It explains the implications for developers in terms of code changes required for APIs like JPA and JMS, and the varying levels of effort needed for different sized projects, emphasizing the evolving Java ecosystem's positive impact on performance, cost, and developer experience.