Question on why sun.management MBeans are not exported?

[Alan Bateman]

On 06/09/2023 16:17, Volker Simonis wrote:
> :
> I'm familiar with JEP 260. But wouldn't you agree that an
> "encapsulated" monitoring API is an oxymoron? A monitoring API is by
> design intended for external usage and completely useless to the
> platform itself. There's no single usage of the "sun.management"
> MBeans in the JDK itself (except for jconsole where the encapsulation
> broke it). My assumption is that the corresponding MBeans in
> "sun.management" are there for historic reasons (added in JDK 1.5) and
> would have made much more sense in "com.sun.management" package. But I
> doubt that they can be classified in the "internal implementation
> details of the JDK and never intended for external use² category of
> JEP 260.
It's left over from experiments on exposing some internal metrics, I 
think during JDK 5. It's code that should probably have been removed a 
long time ago.

-Alan