RFR: 8344336: Remove class System.CallersHolder, leftover from JEP468

Fri Nov 15 21:48:55 UTC 2024

On Fri, 15 Nov 2024 21:36:24 GMT, Eirik Bjørsnøs <eirbjo at openjdk.org> wrote:

> Please review this trivial cleanup PR which removes the nested static private class `System.CallersHolder`.
> 
> This class was used pre JEP486 to track callers of `System::setSecurityManager` such that warnings were printed only once per caller.
> 
> This seems like a leftover from JEP-486 which would be nice to clean up.

Closing, Roger will take care of this in his PR.

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PR Comment: https://git.openjdk.org/jdk/pull/22167#issuecomment-2479983155