8306446: java/lang/management/ThreadMXBean/Locks.java transient failures

[sendaoYan]

Hi all,

This pull request contains a backport of commit 4ae5a3e3 from the openjdk/jdk repository.

The commit being backported was authored by Kevin Walls on 28 Jul 2023 and was reviewed by Chris Plummer and Serguei Spitsyn.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8306446 needs maintainer approval

Issue

• JDK-8306446: java/lang/management/ThreadMXBean/Locks.java transient failures (Bug - P4 - Approved)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1125/head:pull/1125
$ git checkout pull/1125

Update a local copy of the PR:
$ git checkout pull/1125
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1125/head

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Checkout this PR locally:
$ git pr checkout 1125

View PR using the GUI difftool:
$ git pr show -t 1125

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Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1125.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back syan! 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]

@sendaoYan This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8306446: java/lang/management/ThreadMXBean/Locks.java transient failures

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 1 new commit pushed to the master branch:

• 34021e9: 8333728: ubsan: shenandoahFreeSet.cpp:1347:24: runtime error: division by zero

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

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➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

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

[openjdk]

⚠️ @sendaoYan This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (0c953dfa)

[sendaoYan]

/approval request Clean backport from jdk22 to jdk21u-dev, to make this test run passed with TEST_THREAD_FACTORY=Virtual. Before apply this backport patch, this test run fails with TEST_THREAD_FACTORY=Virtual, after apply this backport patch, this test run pass with TEST_THREAD_FACTORY=Virtual. The change has been verified locally on linux-x64 and linux-aarch64. Test-fix only, no risk.

[openjdk]

@sendaoYan
8306446: The approval request has been created successfully.

[sendaoYan]

Thanks for the approved.

/integrate

[openjdk]

@sendaoYan
Your change (at version 0c953df) is now ready to be sponsored by a Committer.

[kevinjwalls]

/sponsor

[openjdk]

Going to push as commit 6b4be01.
Since your change was applied there has been 1 commit pushed to the master branch:

• 34021e9: 8333728: ubsan: shenandoahFreeSet.cpp:1347:24: runtime error: division by zero

Your commit was automatically rebased without conflicts.

[openjdk]

@kevinjwalls @sendaoYan Pushed as commit 6b4be01.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.

[sendaoYan]

Thanks for the sponsor.