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https://issues.apache.org/jira/browse/DERBY-7126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17446623#comment-17446623
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Richard N. Hillegas commented on DERBY-7126:
--------------------------------------------

I like your idea in general and a new Derby release is a great idea. We should 
definitely keep 10.14 around for people who are skittish about all the changes 
from JDK9 onward.

I think you're recommending that we steer users toward particular Derby 
flagship releases, based on the JDK they are using. The download page could be 
good place to record this advice. A couple points are worth mentioning:

o People who don't take our advice are still going to be plagued by surprises 
when they update their JDK too far but don't upgrade their Derby release. Those 
surprises may be hard to diagnose.

o Even an LTS release like JDK17 is a moving target. Any of the JDK18 
regressions could be backported to the next release of JDK17.

o The next LTS release is JDK21, targetted for September, 2023, according to 
https://www.oracle.com/java/technologies/java-se-support-roadmap.html

I need to think more about your suggestion. Thanks.


> Make it possible to build and test Derby cleanly with OpenJDK 18
> ----------------------------------------------------------------
>
>                 Key: DERBY-7126
>                 URL: https://issues.apache.org/jira/browse/DERBY-7126
>             Project: Derby
>          Issue Type: Task
>          Components: Build tools
>    Affects Versions: 10.16.0.0
>            Reporter: Richard N. Hillegas
>            Assignee: Richard N. Hillegas
>            Priority: Major
>         Attachments: DERBY_7126_A.java, DERBY_7126_B.java, dcl_emc2sm.jar, 
> derby-7126-01-aa-regenerateSignedJars.diff, 
> derby-7126-02-aa-suppressDeprecationWarnings.diff
>
>
> Releases of Open JDK 18 can be found at https://jdk.java.net/178. We should 
> adjust Derby as necessary so that it builds cleanly (including javadoc) and 
> tests cleanly with this version of the platform.



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