On Mon, 15 Jun 2026 08:10:22 GMT, Arno Zeller <[email protected]> wrote:

> The tests java/net/MulticastSocket/Test.java and 
> java/net/MulticastSocket/NoLoopbackPackets.java fail on a Linux server with 
> IPv6 enabled for loopback interface but not for another interface.
> They better check not only for any available IPv6 interface, but ensure that 
> it is not only the loopback interface. The join relys on routing and the 
> loopback interface cannot be used for routing as far as I understand.
> 
> ---------
> - [x] I confirm that I make this contribution in accordance with the [OpenJDK 
> Interim AI Policy](https://openjdk.org/legal/ai).

This pull request has now been integrated.

Changeset: 2ac4a2db
Author:    Arno Zeller <[email protected]>
Committer: Jaikiran Pai <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/2ac4a2db146be58fd8d82b6882af62013bb4a6b9
Stats:     4 lines in 2 files changed: 0 ins; 0 del; 4 mod

8386595: Two java/net/MulticastSocket tests fail on machines with no ipv6 
address other than loopback

Reviewed-by: jpai

-------------

PR: https://git.openjdk.org/jdk/pull/31512

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