RFR: 8268613: jar --validate should check inital entries of a JAR file [v3]

[Christian Stein]

On Mon, 10 Nov 2025 17:58:25 GMT, Lance Andersen <lancea at openjdk.org> wrote:

>> Christian Stein has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Move manifest location check to after the order mismatch validation
>
> src/jdk.jartool/share/classes/sun/tools/jar/Validator.java line 257:
> 
>> 255:                         errorAndInvalid(formatMsg("error.validator.wrong.position", firstName, "0"));
>> 256:                     }
>> 257:                 }
> 
> I would suggest to move this check to after the order mismatch  validation below as the checks also validate if the manifest is missing in the LOC or CEN or out of order
> 
> By doing so you will also guarantee that Manifest is at the same offset it both he LOC and CEN

Applied by https://github.com/openjdk/jdk/commit/9986cd87d732ed899d9a6300951f6e65d6a12eeb

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PR Review Comment: https://git.openjdk.org/jdk/pull/28154#discussion_r2515365378