Thanks, Jonathan for the update and information. In case someone else finds it useful, it seems it requires Java 8 [1] in your environment.
[1] https://github.com/cesarhernandezgt/transformer/blob/master/build.gradle#L11 El lun., 20 abr. 2020 a las 14:33, Daniel Dias Dos Santos (< [email protected]>) escribió: > Hello Jon, > > thanks : ) > -- > > *Daniel Dias dos Santos* > Java Developer > SouJava & JCP Member > GitHub: https://github.com/Daniel-Dos > Linkedin: www.linkedin.com/in/danieldiasjava > Twitter: http://twitter.com/danieldiasjava > > > Em seg., 20 de abr. de 2020 às 17:25, Jonathan Gallimore < > [email protected]> escreveu: > > > Hi folks > > > > To follow up on this, I've created some JIRA tickets to get us started: > > https://issues.apache.org/jira/browse/TOMEE-2801 and also added some > > documentation to the website: > > http://tomee.apache.org/tomee-8.0/docs/jakartaee-9/index.html > > > > I'd suggest starting by trying to run the transformer by hand, and then > see > > if there's a JIRA you'd particularly like to have a go at. A good initial > > target would be getting a good ruleset for the transformer and getting > some > > examples to run. After that, we can look into running the TCK. > > > > If you're able to dig in great. If this all sounds a bit wild, I'd very > > much encourage you to ask questions - I appreciate the offers of help, > and > > I definitely want to help you help the project! > > > > Jon > > > > On Thu, 16 Apr 2020, 14:23 Jonathan Gallimore, < > > [email protected]> > > wrote: > > > > > Hi All, > > > > > > You may be aware that as part of the Jakarta EE 9 release later this > > year, > > > the various APIs provided in TomEE will be shifting from javax > namespaces > > > to jakarta. > > > > > > I'm currently researching the use of the Eclipse Transformer project ( > > > https://projects.eclipse.org/projects/technology.transformer) to > > > translate both the TomEE server itself, and the source code for the > > > examples. > > > > > > So far, I have a converted javaee-api.jar, and a Jakarta-ized version > of > > > TomEE that boots. There's *lots* that doesn't work at the present > moment, > > > but I'm expecting to have the moviefun example running fairly soon - > that > > > covers EJB, Servlets, JSPs, JPA. The REST version of the sample also > > covers > > > JAX-RS too. > > > > > > I'm aware that there's also a migration tool that Tomcat have been > > working > > > on too, and will be looking at. > > > > > > We ought to have some discussion about the approach here - in my mind > > > there are some high-level goals: > > > > > > * Try and maintain a single codebase for javax and jakarta. It's > > > tempting to fork master and embark on a massive renaming exercise. > That's > > > complex as we'd need to do that for various dependencies as well, who > may > > > also have other branches and timelines. Having two codebases also means > > > that any changes need to be applied twice, and with renamed packages, > its > > > unlikely the git merging or cherry-picking will work. > > > > > > * Be backwards compatible - One goal I had in my mined, is that if you > > > have an application that uses javax, you'd probably like to be able to > > run > > > it on a new Jakarta EE server. There are some options here - I quite > like > > > the idea of running the Transformer as a javaagent, so any applications > > > deployed using the old namespaces are converted on the fly at the > > bytecode > > > level. > > > > > > * Tooling - I wonder what tooling we could potentially provide? One > > > thought I had was a Maven plugin that can transform a war/ear file for > > you > > > as part of a build. > > > > > > Anyway, just wanted to give a heads-up on the research. Any thoughts / > > > discussions / questions are encouraged. > > > > > > Jon > > > > > > -- Atentamente: César Hernández.
