RFR: 8275640 (win) java.net.NetworkInterface issues with IPv6-only environments [v2]

[Daniel Fuchs]

On Thu, 28 Oct 2021 07:20:38 GMT, Daniel Jeliński <duke at openjdk.java.net> wrote:

>> Clean up of various issues related to error handling and memory management
>
> Daniel Jeliński has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Restore support for IPv6-only operation

Hi Daniel, thanks for the update - I will have a look.

Concerning IPv6-only environment - it's a bit of a whack a mole game at the moment. We have updated many tests to not assume that IPv4 was available, but unfortunately I suspect that we still have many tests that do depend on IPv4 - and that don't have the logic to either pick IPv6 or skip...

We had an openjdk contributor at one time who were interested in moving this forward but I believe they have moved to other interests...
Still - we are trying to make sure that new code (especially in networking area) doesn't make any assumption on the availability of either stack.

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PR: https://git.openjdk.java.net/jdk/pull/6090