Author: Rudy De Busscher

Rudy De Busscher
Rudy De Busscher

Technical Sales and Developer Advocate at Payara Services Ltd.

  • Getting Started with Jakarta EE 9: Hello World

    The release of Jakarta EE 9, at the end of 2020, was in many ways a historic event. The Java Enterprise framework is already 20 years old, having its first release in 1999. It has changed names a few times but the main concepts of the first release can still be found in this new release. During all those years, it has adapted itself to keep it up to date but has always adhered to its main principle of stability and backward compatibility.

    Regarding backward compatibility, this release was also historic as the namespaces changed (like package names that changed from ‘javax’ to ‘jakarta’). The change is straightforward, no other changes are introduced between Jakarta EE 8 and EE 9.  This to make the migration as easy as possible.

    Jadon Ortlepp
    Rudy De Busscher
    J. Ortlepp , R. De Busscher
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  • How to Use Eclipse Transformer to Convert a 3rd Party Library to the New Jakarta Namespace

    The release of Jakarta EE 9 breaks a tradition of Java Enterprise. A legal requirement of the Java EE code donation from Oracle to the Eclipse Foundation is the change of the namespace of javax to jakarta.

    But the change of the package and XML namespace in Jakarta EE 9 is only the beginning. The change of the namespace allows for new development and functionality, but all frameworks and libraries using one of the Java Enterprise specifications also need to be adjusted to the new version.

    Jadon Ortlepp
    Rudy De Busscher
    J. Ortlepp , R. De Busscher
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