On Thu, 29 Sep 2022 18:17:18 GMT, Naoto Sato <na...@openjdk.org> wrote:

>> I agree skipping the test is not the best solution. Leaving a hint in the 
>> comments on how to fix the issue looks better alternative.
>
> Well, what concerns me with the current fix is that it is simply patching 
> only the case for the Japanese setup. We don't know if the same failure would 
> happen in other setups (I'm pretty sure the same failure would happen with 
> some Chinese Windows setups) which makes the test fragile. If that happens, 
> we are not sure if it is a real bug or a test case false positive at a 
> glance. For that reason, I think we should only run tests on the setup where 
> we are sure the false positive won't happen (by skipping other unknown host 
> encodings). And for the purpose of this test, that should suffice the need.
> Another option would be to actually check if the test string can be encoded 
> with a CharsetEncoder, but that may be overkill.

I don't think it will be many practical setups where this test fails. This test 
has been around for more than 2 years and this is the first accident.

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PR: https://git.openjdk.org/jdk/pull/10226

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