RFR: 8324811: java/nio/file/Files/CopyMoveVariations.java fails run with non-root user

[SendaoYan]

On Wed, 21 Feb 2024 12:36:05 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> > This PR only change the testcase, the testcase change has been verified. Please review this PR.
> 
> @bplb Did you ever run into this? I don't run the tests with root access and haven't seen this. The current changes in pull/17235 aren't complete but if that change goes in then the test won't be testing /tmp.



Only the jtreg work directory and the /tmp on the different disk partition can replay this fail.


![image](https://github.com/openjdk/jdk/assets/24123821/24af5281-2830-4a4f-b1c3-1c65b0664440)


The first jtreg test, the jtreg work directory is in /dev/vda3, and the tmp is in /dev/loop0, so this test run fail. 
The second jtreg test, use -w options make jtreg directoey point to same to /tmp, this test run success.

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PR Comment: https://git.openjdk.org/jdk/pull/17606#issuecomment-1959414716