RFR: 8307536: FileAlreadyExistsException from NativeLibLoader when running concurrent applications with empty cache

[Kevin Rushforth]

On Tue, 1 Aug 2023 11:29:55 GMT, Jose Pereda <jpereda at openjdk.org> wrote:

>> This is a different type of a problem, that imho should be addressed as well, but in a separate issue which also contains a test strategy. This is something that requires a hash-based solution, but it is something that needs to be done with great care, so I personally wouldn't rush this into this PR (as it might cause criticial regression if not done correctly).
>
> Agree to do it separately, but in any case, if there was already a file at the cache directory, its checksum is verified, and in case it is not the same, the file is removed from the cache, before it is copied again.
> Does this cover the possible scenarios you are referring to?

I agree with Johan and Jose: This should be fixed in a separate issue. @jperedadnr can you file a follow-up bug to investigate?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1188#discussion_r1283084195