8346671: java/nio/file/Files/probeContentType/Basic.java fails on Windows 2025

[GoeLin]

I backport this for parity with 21.0.7-oracle.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8346671 needs maintainer approval

Issue

• JDK-8346671: java/nio/file/Files/probeContentType/Basic.java fails on Windows 2025 (Bug - P3 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1377/head:pull/1377
$ git checkout pull/1377

Update a local copy of the PR:
$ git checkout pull/1377
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1377/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1377

View PR using the GUI difftool:
$ git pr show -t 1377

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1377.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back goetz! 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]

@GoeLin 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:

8346671: java/nio/file/Files/probeContentType/Basic.java fails on Windows 2025

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 18 new commits pushed to the master branch:

• 9c8fe67: 8349603: [21u, 17u, 11u] Update GHA JDKs after Jan/25 updates
• 46a1464: 8348562: ZGC: segmentation fault due to missing node type check in barrier elision analysis
• d279d44: 8340411: open source several 2D imaging tests
• 4a3eaa7: 8330702: Update failure handler to don't generate Error message if cores actions are empty
• 29a5de0: 8334371: [AIX] Beginning with AIX 7.3 TL1 mmap() supports 64K memory pages
• 981ec16: 8347911: Limit the length of inflated text chunks
• caa7cc2: 8338571: [TestBug] DefaultCloseOperation.java test not working as expected wrt instruction after JDK-8325851 fix
• 80253a3: 8343491: javax/management/remote/mandatory/connection/DeadLockTest.java failing with NoSuchObjectException: no such object in table
• d0fbffd: 8226938: [TEST_BUG]GTK L&F: There is no Details button in FileChooser Dialog
• 9a2988c: 8340078: Open source several 2D tests
• ... and 8 more: https://git.openjdk.org/jdk21u-dev/compare/95e4bc9e201f8643d21bd9fe6fc180951bbcd1e7...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]

⚠️ @GoeLin 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 (816dd196)

[GoeLin]

/integrate

[openjdk]

Going to push as commit e122829dcacb494fbe9668d454b49a256c1640a4.
Since your change was applied there have been 18 commits pushed to the master branch:

• 9c8fe67: 8349603: [21u, 17u, 11u] Update GHA JDKs after Jan/25 updates
• 46a1464: 8348562: ZGC: segmentation fault due to missing node type check in barrier elision analysis
• d279d44: 8340411: open source several 2D imaging tests
• 4a3eaa7: 8330702: Update failure handler to don't generate Error message if cores actions are empty
• 29a5de0: 8334371: [AIX] Beginning with AIX 7.3 TL1 mmap() supports 64K memory pages
• 981ec16: 8347911: Limit the length of inflated text chunks
• caa7cc2: 8338571: [TestBug] DefaultCloseOperation.java test not working as expected wrt instruction after JDK-8325851 fix
• 80253a3: 8343491: javax/management/remote/mandatory/connection/DeadLockTest.java failing with NoSuchObjectException: no such object in table
• d0fbffd: 8226938: [TEST_BUG]GTK L&F: There is no Details button in FileChooser Dialog
• 9a2988c: 8340078: Open source several 2D tests
• ... and 8 more: https://git.openjdk.org/jdk21u-dev/compare/95e4bc9e201f8643d21bd9fe6fc180951bbcd1e7...master

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit e122829.

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