8377944: LowMemoryTest2.java#id1 intermittent fails OOME: Metaspace

[sendaoYan]

Hi all,

This pull request contains a backport of commit 0ed34913 from the openjdk/jdk repository.

The commit being backported was authored by SendaoYan on 24 Feb 2026 and was reviewed by David Holmes and Chris Plummer.

Thanks!

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8377944 needs maintainer approval

Issue

• JDK-8377944: LowMemoryTest2.java#id1 intermittent fails OOME: Metaspace (Bug - P4 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/4277/head:pull/4277
$ git checkout pull/4277

Update a local copy of the PR:
$ git checkout pull/4277
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/4277/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4277

View PR using the GUI difftool:
$ git pr show -t 4277

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/4277.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:

8377944: LowMemoryTest2.java#id1 intermittent fails OOME: Metaspace

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 16 new commits pushed to the master branch:

• cf8849b: Merge
• 982d53c: 8382440: [17u] Remove designator DEFAULT_PROMOTED_VERSION_PRE=ea for release 17.0.19
• e0c5b34: 8382047: Update Libpng to 1.6.57
• ... and 13 more: https://git.openjdk.org/jdk17u-dev/compare/b9023cee54f52e790a287a2c819d5e22ccefeb62...master

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.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[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

• 02: Full - Incremental (1d0a3585)
• 01: Full - Incremental (fbdecb5b)
• 00: Full (54da0758)

[bridgekeeper]

@sendaoYan This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[sendaoYan]

Change has been verified locally on linux-x64

[bridgekeeper]

@sendaoYan This pull request has been inactive for more than 4 weeks and will be automatically closed if another 4 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[sendaoYan]

/template append

[sendaoYan]

/approval request Clean backport to use whitebox.fullgc instead of System.gc which make test more robustness. Change has been verified locally on linux-x64, test-fix only, no risk.

[openjdk]

@sendaoYan The pull request template has been appended to the pull request body

[openjdk]

@sendaoYan
8377944: The approval request has been created successfully.

[sendaoYan]

Thanks for the approved.

/integrate

[openjdk]

Going to push as commit 11eefe1.
Since your change was applied there have been 17 commits pushed to the master branch:

• 3c7b2e1: 8323672: Suppress unwanted autoconf added flags in CC and CXX
• cf8849b: Merge
• 982d53c: 8382440: [17u] Remove designator DEFAULT_PROMOTED_VERSION_PRE=ea for release 17.0.19
• ... and 14 more: https://git.openjdk.org/jdk17u-dev/compare/b9023cee54f52e790a287a2c819d5e22ccefeb62...master

Your commit was automatically rebased without conflicts.

[openjdk]

@sendaoYan Pushed as commit 11eefe1.

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