RFR: 8373867: Improve robustness of Attach API for finding tmp directory [v5]

[Jaikiran Pai]

On Sun, 18 Jan 2026 05:40:56 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

>> You'll need to create a retroactive CSR for JDK-8373867.
>> 
>> You can fix the `@since` separately.
>
> I filled CSR: https://bugs.openjdk.org/browse/JDK-8375582
> 
> I've already created [draft PR](https://github.com/openjdk/jdk/pull/29289). I will promote it to regular PR when the CSR is approved.

Hello @YaSuenag, the PR to add `@since 27` doesn't have to wait for the CSR. In fact, it would be good to have that `@since` change integrated soon to address the `test/jdk/tools/sincechecker/modules/jdk.attach/JdkAttachCheckSince.java` test that has been failing regularly in the CI.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28867#discussion_r2702143810