RFR: 8336470: Source launcher should work with service loader SPI in unnamed module [v16]

[Christian Stein]

On Fri, 16 May 2025 07:22:46 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> Please review this change adding a missing resource file test to the `MemoryClassLoader::findResource` override in order to resolve all files beneath the source root path in source launch mode - analog to what was already implemented for `MemoryClassLoader::getResource`.
>> 
>> With this change applied, files in `META-INF/services/` are resolved; allowing services providers being supplied in source form.
>
> Christian Stein has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Improve classloader test
>  - Handle IOError thrown by Path::toUri

GHA checks, local tests, and an internal tier 1 run on more platforms look good.

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PR Comment: https://git.openjdk.org/jdk/pull/20193#issuecomment-2886705229