8370731: Tests in vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/ failed: OutOfMemoryError

[zzambers]

This backport fixes CollectionCounters tests. Failures of these have been seen on adoptium infra on (jdk25).

This PR includes total 3 backports. (original fix + 2 follow-up fixes)
All backports were clean. Only affects tests.

Testing:
I have done local run of tests in vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/ - all PASSED

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• JDK-8370731 needs maintainer approval
• Commit message must refer to an issue
• JDK-8373642 needs maintainer approval
• JDK-8374745 needs maintainer approval

Issues

• JDK-8370731: Tests in vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/ failed: OutOfMemoryError (Bug - P4)
• JDK-8373642: Test vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/CollectionCounters003/TestDescription.java failed (Bug - P4)
• JDK-8374745: Test vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/CollectionCounters004/TestDescription.java failed (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk26u.git pull/152/head:pull/152
$ git checkout pull/152

Update a local copy of the PR:
$ git checkout pull/152
$ git pull https://git.openjdk.org/jdk26u.git pull/152/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 152

View PR using the GUI difftool:
$ git pr show -t 152

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk26u/pull/152.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back zzambers! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[mlbridge]

Webrevs

• 00: Full (7ac2b330)

[zzambers]

/issue add JDK-8373642

[zzambers]

/issue add JDK-8374745

[openjdk]

@zzambers
Adding additional issue to issue list: 8373642: Test vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/CollectionCounters003/TestDescription.java failed.

[openjdk]

@zzambers
Adding additional issue to issue list: 8374745: Test vmTestbase/nsk/monitoring/GarbageCollectorMXBean/CollectionCounters/CollectionCounters004/TestDescription.java failed.