[Bug 274964] java/openjdk21 Dual-stack IPv4/IPv6 applications no longer work with sysctl net.inet6.ip6.v6only=1

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 274964] java/openjdk21 Dual-stack IPv4/IPv6 applications no longer work with sysctl net.inet6.ip6.v6only=1"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 15 Jan 2026 21:30:35 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274964

Patrick M. Hausen <pmh@hausen.com> changed:

           What    |Removed                     |Added
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                 CC|                            |pmh@hausen.com

--- Comment #16 from Patrick M. Hausen <pmh@hausen.com> ---
OMG! Thank you so much everyone for raising this bug report and fixing it.

I was familiar with java.net.preferIPv4 and net.inet6.ip6.v6only but was
tearing my virtual (because I don't have any left) hair out over getting a
Minecraft server with Java 21 to listen on both IPv4 and IPv6.

Works perfectly now, thanks again.

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