RFR: 8359870: JVM crashes in AccessInternal::PostRuntimeDispatch [v5]

[Alan Bateman]

On Wed, 25 Jun 2025 13:02:03 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

>> ThreadDumper/ThreadSnapshot need to handle a failure to resolve the native VM JavaThread from a java.lang.Thread.  This is hard to reproduce but a thread that has since terminated can provoke a crash.  Recognise this and return a null ThreadSnapshot.
>
> Kevin Walls has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - comment update
>  - comment update

test/jdk/com/sun/management/HotSpotDiagnosticMXBean/DumpThreadsWithEliminatedLock.java line 31:

> 29:  * @requires !vm.debug & (vm.compMode != "Xcomp")
> 30:  * @requires (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4)
> 31:  * @requires vm.jvmti

This seems like a separate discussion as the minimal VM doesn't have the M&M support so something isn't right if somehow is testing a run-time image that contains jdk.management and only the minimal VM. I assume it's just a drive-by change here but I think part of a bigger discussion.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25958#discussion_r2168202465