RFR: 8368500: ContextClassLoader cannot be reset on threads in ForkJoinPool.commonPool() [v2]

[Alan Bateman]

On Tue, 7 Oct 2025 12:34:25 GMT, Johny Jose <duke at openjdk.org> wrote:

>> The permanent disabling of the Security Manager in JDK 24  allow setCCL to set the CCL to a custom class loader. However, it doesn't allow it to be set to a custom class loader and then "reset" back to the system class loader before executing further code in the task. The changes are made to relax the restriction in setCCL to reset back to system class loader
>
> Johny Jose has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review changes

test/jdk/java/util/concurrent/forkjoin/ContextClassLoaderTest.java line 40:

> 38: import java.util.concurrent.ForkJoinPool;
> 39: import java.util.concurrent.TimeUnit;
> 40: import static org.junit.jupiter.api.Assertions.*;

The updated test looks okay.  Can you tidy up the imports as you've ended up with (harmless) duplicates which I assume you didn't intend.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27648#discussion_r2410535247