Hi,

Some additional notes based on current progress.

We have successfully created a maintenance branch for TomEE 8.x with all
associated builds on Jenkins.

We have been able to stabilize the work for TomEE 9.x on the PR and
therefore we merged it to master which is now our main development branch.
The quick build is green but the full build still has a lot of test
failures. Same as for TCK the first iterations make it possible to
significantly drop the number of failures. The remaining failures are
usually harder to fix.

We can now divide and conquer. An issue has been created
https://issues.apache.org/jira/browse/TOMEE-3862
We are going to add as many small tasks as possible so people can pick and
contribute in parallel.


Thanks a lot Richard for all the hard work

--
Jean-Louis Monteiro
http://twitter.com/jlouismonteiro
http://www.tomitribe.com


On Tue, Mar 22, 2022 at 1:59 PM Jean-Louis Monteiro <
jlmonte...@tomitribe.com> wrote:

> Hi,
>
> I've been working for quite a long time on TomEE 9.x, and it's been more
> challenging and painful than I was expecting. I thought it would be good to
> give you some sort of status.
>
> I created a PR for the work. As a reminder, since Java EE moved to Eclipse
> to become Jakarta EE, we had a switch from javax.* namespace to jakarta.*
> namespace. This is an impacting change, since all applications and
> applications servers are built on top of it.
>
> In TomEE, we decided to do that change in TomEE. We had previously a
> bytecode change approach like an application could do. It worked and we
> were able to get certified. But it had a lot of limitations, so we had to
> do the migration in the code and fix all compatibility issues.
>
> Here is the PR https://github.com/apache/tomee/pull/814
> It has 90+ commits and nearly 5000 files touched (added, removed,
> updated). I understand it's a lot and it makes it almost impossible to
> review. But I did not see much approaches in this scenario to create
> smaller PRs.
>
> I created a Jenkins build though available at
> https://ci-builds.apache.org/job/Tomee/job/master-build-quick-9.x/
>
> It makes it possible to track the progress. There have been steps forward
> and steps backward.
>
> All the code does not sit under TomEE, we use a bunch of third party
> projects and libraries. I have been able to contribute, publish jakarta
> compatible versions and get releases for some of them (Jakarta EE APIs Uber
> jar, Geronimo Connectors and Transaction Manager, Geronimo Config, Health,
> Metrics, OpenTracing, OpenAPI. OpenJPA, BVal, and OpenWebBeans will be
> released soon.
>
> The big parts is CXF, and ActiveMQ. I had to get them done in TomEE and
> update all group/artifact ids. It's under deps, alongside with SXC, DBCP,
> and others.
>
> In terms of removal, I tried to remove old stuff like SAAJ Axis 1
> integration, JAX RPC, Management J2EE and a couple of other old things.
>
> A lot of other libraries got updated to their latest version when
> available in the new jakarta namespace.
>
> I'm starting to get all the build stable and many modules are passing now,
> including all CXF webservices, OpenEJB Core, and others. I can get a build
> and run TomEE.
>
> Goal is to get a green build asap so we can start working on TCK.
> The "quick" build is now green. Working on the full build.
>
> I'll soon be creating a branch for TomEE 8.x maintenance and merge the PR.
> I'm hoping we can then have small PRs or at least more people working in
> parallel.
>
> --
> Jean-Louis Monteiro
> http://twitter.com/jlouismonteiro
> http://www.tomitribe.com
>

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