[jdk24] RFR: 8345259: Disallow ALL-MODULE-PATH without explicit --module-path

[Severin Gehwolf]

On Fri, 20 Dec 2024 18:04:15 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Clean backport of [JDK-8345259](https://bugs.openjdk.org/browse/JDK-8345259) to JDK 24 which has JEP 493.
>
> Hold off on integrating this into jdk24 until some issues with jpackage tests are figured out, I think we have some failures in main line with tests that specify ALL-MODULE-PATH without a module path.

@AlanBateman @mlchung RDP2 is on January 16 for JDK 24, so about a week time. AFAIK, both fixes are eligible still. This and https://github.com/openjdk/jdk/pull/22972 together should be safe. OK?

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PR Comment: https://git.openjdk.org/jdk/pull/22849#issuecomment-2577910143