Integrated: JDK-8272065: jcmd cannot rely on the old core reflection implementation which will be changed after JEP 416

Thomas Stuefe stuefe at openjdk.java.net
Fri Nov 5 05:19:15 UTC 2021


On Thu, 4 Nov 2021 13:25:14 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> `VM.metaspace`, `VM.classloaders` and `VM.class_hierarchy` all print out reflection invocation targets for delegating reflection class loaders. Post JEP 416 we don't use DelegatingClassLoaders anymore.
> 
> This patch removes the display of reflection targets from these commands as well as associated helper code and tests.
> 
> I don't have enough time atm to reimplement this feature using method handles. But at least we can remove the old code, and prepare the way for more code removal.
> 
> The patch does not touch vmClasses, `reflect_ConstructorAccessor` and `reflect_MethodAccessor` are both still there.
> 
> Tests: GHAs, manually testing the commands.

This pull request has now been integrated.

Changeset: 7281861e
Author:    Thomas Stuefe <stuefe at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/7281861e0662e6c51507066a1f12673a236c7491
Stats:     368 lines in 8 files changed: 0 ins; 367 del; 1 mod

8272065: jcmd cannot rely on the old core reflection implementation which will be changed after JEP 416

Reviewed-by: mchung, coleenp, dholmes

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PR: https://git.openjdk.java.net/jdk/pull/6257


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