RFR: JDK-8314517: some tests fail in case ipv6 is disabled on the machine [v2]

[Daniel Fuchs]

On Tue, 22 Aug 2023 07:53:12 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Some jtreg tests fail with ipv6 disabled on the machine, this should be improved in the tests (e.g. by using IPSupport.hasIPv6() ).
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   adjust HostsFileOrderingTest

Hi Matthias, this looks much better. Let me give it whirl on the CI to double check there's not unexpected side effects.

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PR Comment: https://git.openjdk.org/jdk/pull/15341#issuecomment-1688216507