Java EE 6 to Jakarta EE 9 Migration

Migration of an 8 years old Java EE 6 / Java 6 application written on stage of the JDD 2012 (Java EE: Future Is Now, But It Is Not Evenly Distributed Yet) conference to Jakarta EE 9 with the new jakarta.* packages.

GlassFish 6 was used as an example Jakarta EE 9 runtime: