On Wed, 17 Sep 2025 00:32:37 GMT, Brian Burkhalter <[email protected]> wrote:

>> `File.getCanonicalPath` invokes `GetFinalPathNameByHandle` on the result of 
>> `canonicalize0` which causes the drive letter of a mapped drive to be 
>> converted to a UNC prefix. If such a substitution is detected, this request 
>> proposes to revert the conversion of drive letter to UNC prefix before 
>> returning the canonical path.
>
> Brian Burkhalter has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   8355342: Corrected a comment

This issue is going to require stepping back and re-visiting the question as to 
what is the canonical path when a file is located with a UNC path. We wrestled 
with this in JDK 7 and I thought got to the best answer with toRealPath but it 
seems we may have to re-visit this now.

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PR Comment: https://git.openjdk.org/jdk/pull/27324#issuecomment-3314653507

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