8361299: (bf) CharBuffer.getChars(int,int,char[],int) violates pre-existing specification

[bplb]

Hi all,

This pull request contains a backport of commit 6249259c from the openjdk/jdk repository.

The commit being backported was authored by Brian Burkhalter on 9 Jul 2025 and was reviewed by Alan Bateman and Chen Liang.

Thanks!

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change requires CSR request JDK-8361308 to be approved

Issues

• JDK-8361299: (bf) CharBuffer.getChars(int,int,char[],int) violates pre-existing specification (Bug - P2)
• JDK-8361308: (bf) CharBuffer.getChars(int,int,char[],int) violates pre-existing specification (CSR)

Reviewers

• Chen Liang (@liach - Reviewer)
• Alan Bateman (@AlanBateman - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/26227/head:pull/26227
$ git checkout pull/26227

Update a local copy of the PR:
$ git checkout pull/26227
$ git pull https://git.openjdk.org/jdk.git pull/26227/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 26227

View PR using the GUI difftool:
$ git pr show -t 26227

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/26227.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back bpb! A progress list of the required criteria for merging this PR into jdk25 will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@bplb 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:

8361299: (bf) CharBuffer.getChars(int,int,char[],int) violates pre-existing specification

Reviewed-by: liach, alanb

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 no new commits pushed to the jdk25 branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the jdk25 branch, type /integrate in a new comment.

[openjdk]

@bplb The following label will be automatically applied to this pull request:

• nio

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (05953e41)

[openjdk]

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

[bplb]

/integrate

[openjdk]

Going to push as commit 9b99ed8.
Since your change was applied there has been 1 commit pushed to the jdk25 branch:

• 532b1c7: 8360599: [TESTBUG] DumpThreadsWithEliminatedLock.java fails because of unstable inlining

Your commit was automatically rebased without conflicts.

[openjdk]

@bplb Pushed as commit 9b99ed8.

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