Re: IPv6 in Java on FreeBSD

Hi,

I would just point out that back in history Java used to want mapped IPv4 (net.inet6.ip6.v6only=0) if IPv6 was enabled; most people don’t want that which may be why IPv6 support hasn’t been enabled. I have no idea if this is still the case.

> On 19 Feb 2025, at 10:40, Harald Eilertsen <haraldei@anduin.net> wrote:
> 
> Hi,
> 
> IPv6 support in Java on FreeBSD has been an issue for quite a while. I
> believe I have found the cause of that, and have created PRs both for
> the OpenJDK 23[1] and 22[2] ports. In addition this change is also
> included in the work I've done for the next version (24) and in the
> patchset I'm working on for the OpenJDK main branch for upstreaming.
> 
> One question I have is, how far back does it make sense to port this
> change? Is it ok to patch the most recent JDK versions, or do we want to
> apply it all the way back to JDK 8 or 11?
> 
> Also, will this consideration change if we move the default JDK
> installed to a newer version, say 21?
> 
> Thanks in advance on any feedback you may have on this!
> 
> Take care!
> Harald!
> 
> [1]: https://github.com/battleblow/jdk23u/pull/5
> [2]: https://github.com/battleblow/jdk22u/pull/1
> 

--
Bob Bishop
rb@gid.co.uk