RFR: 8368226: Remove Thread.stop

[Viktor Klang]

On Mon, 22 Sep 2025 08:13:55 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> The no-arg Thread.stop has been deprecated since JDK 1.2, deprecated for removal since JDK 18, and re-specified to throw UOE unconditionally since JDK 20. It is time to finally remove the method. Its more evil sibling Thread.stop(Throwable) was removed in JDK 11.
> 
> Code that uses Thread.stop will no longer compile. Code using this method that was compiled to older releases will throw NoSuchMethodError instead of UnsupportedOperationException.
> 
> Most of the tests using Thread.stop have already been fixed in advance of this PR.  However, the tests for Kerberos and DTLS use the KDC server as infrastructure and don't compile because it uses Thread.stop and swallows the UOE. This is tracked by JDK-8360979. It is temporarily changed to use Thread.interrupt to avoid excluding many of tests in these areas.

And so the time has finally come.

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Marked as reviewed by vklang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27419#pullrequestreview-3251400317