Documentation, Support Java 22 in Open Liberty

[gjwatts]

Feature epic details

• Link to development epic: Support Java 22 in Open Liberty open-liberty#26461
• Target GA release: 24.0.0.4

Operating systems

Does the documentation apply to all operating systems?

• Yes
• No; specify operating systems: ______
• All operating systems that support Java 22 (not z/OS and IBM i)

Summary

Provide a concise summary of your feature. What is the update, why does it matter, and to whom? What do 80% of target users need to know to be most easily productive using your runtime update?

Need to update the Java SE support page for 24004 to include Java 22.

Configuration

List any new or changed properties, parameters, elements, attributes, etc. Include default values and configuration examples where relevant:

FYI, the link to IBM Semeru 22 is not yet available yet and will be updated later, once available.

Link to Temurin 22 -> https://adoptium.net/temurin/releases/?version=22
Java 22 migration guide -> https://docs.oracle.com/en/java/javase/22/migrate/getting-started.html

Updates to existing topics

To update existing topics, specify a link to the topics that are affected. Include a copy of the current text and the exact text to which it will change. For example: Change ABC to XYZ

Need to update the Java SE support page for 24004 to include Java 22.

Please note that Java 22 is a non-LTS version of Java.

For reference, here is the Java 21 request -> #6856

[gjwatts]

I was incorrect in my initial creation of the description. Temurin 22 and the Java 22 migration guide are available and the links are provided. IBM Semeru 22 is currently not available yet, and will be added later once it is.

[gjwatts]

Java 22 is a non-LTS version of Java.

[dmuelle]

Hi @gjwatts - Given that it's non-LTS, is there a Liberty-specific EOS release for Java 22?

[gjwatts]

@dmuelle Good question David, thanks for asking.

We end support for non-LTS releases when the next version comes out. I spoke to Alasdair about this and we decided that something like "When Java 23 is supported" would be a good way to handle that field for Java 22. Feel free to tweak the words as you see fit.

[dmuelle]

Hi @gjwatts - this update is ready for review on the draft site:

https://docs-draft-openlibertyio.mqj6zf7jocq.us-south.codeengine.appdomain.cloud/docs/latest/java-se.html

If any further edits are needed, just let me know. If not, you can add the technical reviewed label to this issue to sign off and the changes will publish wit the 24.0.0.4 release. Thanks!

[gjwatts]

@dmuelle Looks good David, thank you.

[gjwatts]

@dmuelle Hi David. Semeru 22 was just released today. Looking to update the page https://openliberty.io/docs/latest/java-se.html from
IBM Semeru 22 (coming soon)
to
IBM Semeru 22

Should I open a new Liberty doc update for this?

[dmuelle]

Thanks for the heads up @gjwatts - I'll just reopen this issue and work it from here. We'll update the doc with 24.0.0.6.

[dmuelle]

updated on draft
https://docs-draft-openlibertyio.mqj6zf7jocq.us-south.codeengine.appdomain.cloud/docs/latest/java-se.html

[gjwatts]

Looks good, thanks David!