Integrated: 8316401: sun/tools/jhsdb/JStackStressTest.java failed with "InternalError: We should have found a thread that owns the anonymous lock"

[Roman Kennke]

On Mon, 25 Sep 2023 16:16:51 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> The SA can run concurrently with Java threads, SA code that inspects locking state should be able to deal with that. On the other hand, the particular code is only used in printing routine and is not expected to be precise. When resolving an anonymous owner, we may not find one, because Java threads may already have moved on. Instead of crashing with a stacktrace, we should gracefully return null here.
> 
> Testing:
>  - [x] sun/tools/jhsdb/JStackStressTest.java
>  - [x] sun/tools/jhsdb
>  - [x] serviceability/sa

This pull request has now been integrated.

Changeset: bd918f49
Author:    Roman Kennke <rkennke at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/bd918f49d29bcbc699e07b4ef8d23cfe1abd32df
Stats:     5 lines in 1 file changed: 4 ins; 0 del; 1 mod

8316401: sun/tools/jhsdb/JStackStressTest.java failed with "InternalError: We should have found a thread that owns the anonymous lock"

Reviewed-by: cjplummer, dholmes

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PR: https://git.openjdk.org/jdk/pull/15907