What is the Cost for Commercial Usage of Java EE (Now Known as Jakarta EE)?

Java EE, now known as Jakarta EE, is a widely-used framework for developing enterprise applications. One of the most significant advantages of using Jakarta EE is its open-source nature, meaning it is free to use for commercial purposes. This article will explore the costs associated with using Jakarta EE for commercial projects, the availability of certain services and features, and the current landscape of Jakarta EE.

Open-Source Framework: Free for Commercial Use

As an open-source framework, Jakarta EE is designed to be used without requiring a license fee for commercial projects. The specifications and implementation of Jakarta EE are available under open-source licenses such as the Eclipse Public License (EPL) or the GNU Lesser General Public License (LGPL). This means developers can use, modify, and distribute the software without incurring any payment. However, it's important to note that while the framework itself is free, some vendors may offer additional commercial support tools or features that do require payment.

Commercial Support and Vendors

Beyond the core framework, some vendors provide commercial support tools and enterprise features that can add to the overall cost. If you choose to use a specific application server or development tool that implements Jakarta EE, you should thoroughly review the licensing terms of these products. They may have their own costs associated with commercial usage, especially if they provide enterprise-grade services or proprietary features.

Popular and Costly Java EE Application Servers

There are several Java EE application servers available, and while many of them are commercial and can be quite expensive, some options are free for both personal and commercial use. One notable example is JBOSS, which has since evolved into OakNorth and WRLight. JBOSS was particularly noteworthy because it offered a free and open-source alternative for enterprise application development.

JBOSS: A Free and Open-Source Option

JBOSS, which is now known as Red Hat Operator-Managed JBoss and WRLight, is a costs-free option for both private and commercial use. This makes JBOSS a popular choice for developers looking to leverage a robust application server without incurring licensing fees. However, it's always advisable to research specific costs associated with any chosen application server or development tool.

Transition from Java EE to Jakarta EE

The transition from Java EE to Jakarta EE involved a change in the management of the technology, with the name change reflecting Oracle's continued trademark of Java. Currently, Jakarta EE is managed under the Eclipse Foundation, providing a more open and community-driven development environment. This transition has led to a more flexible and accessible framework for developers.

Commercial App Servers and License Costs

If you plan to develop a commercial application server and have it certified or deploy it under a name that includes "Java" in the title, you may incur additional costs. This is due to the trademark restrictions imposed by Oracle. However, for those looking to develop and deploy enterprise applications using Jakarta EE, there are significant cost savings available.

Conclusion

In conclusion, while the core framework of Jakarta EE is free to use for commercial projects, the actual cost will depend on the additional services, tools, and enterprise features chosen. Developers should thoroughly understand the licensing terms associated with any chosen application server or development tool. The transition to Jakarta EE has made it easier for developers to access robust enterprise-grade technologies without significant licensing costs.