[jdk21u-dev] RFR: 8073061: (fs) Files.copy(foo, bar, REPLACE_EXISTING) deletes bar even if foo is not readable

[Paul Hohensee]

On Mon, 22 Jul 2024 20:25:34 GMT, Todd V. Jonker <duke at openjdk.org> wrote:

> This is a clean backport of https://github.com/openjdk/jdk/commit/36ac83904c9e81a01822b0e36ef677cae2808709 originally authored by @bplb and reviewed by @AlanBateman  
> 
> It also includes this follow-up fix:
>   * [JDK-8317128](https://bugs.openjdk.org/browse/JDK-8317128): **java/nio/file/Files/CopyAndMove.java failed with AccessDeniedException** 
>       * https://github.com/openjdk/jdk/pull/15991
> 
> Additional testing:
> - [x] New regression test fails without the fix, passes with it
> - [x] linux-x86_64-server-release: `JTREG_KEYWORDS="!headful & !external-dep & !printer" make test TEST="tier1 tier2 tier3"`

Marked as reviewed by phh (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk21u-dev/pull/863#pullrequestreview-2233960309