Skip to content

8386595: Two java/net/MulticastSocket tests fail on machines with no ipv6 address other than loopback #31512

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
ArnoZeller wants to merge 2 commits into
base: master
Choose a base branch
from
+2 −2
Draft

8386595: Two java/net/MulticastSocket tests fail on machines with no ipv6 address other than loopback #31512

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e5c85c8
Check for available IPv6 multicast interfaces.
ArnoZeller Jun 12, 2026
7231d3d
Found another multicast issue.
ArnoZeller Jun 12, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion test/jdk/java/net/MulticastSocket/NoLoopbackPackets.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@ public static void main(String[] args) throws Exception {
}

NetworkConfiguration nc = NetworkConfiguration.probe();
if (IPSupport.hasIPv6() && nc.hasTestableIPv6Address()) {
if (IPSupport.hasIPv6() && nc.ip6MulticastInterfaces().findAny().isPresent()) {
groups.add(new InetSocketAddress(InetAddress.getByName("::ffff:224.1.1.2"), port));
groups.add(new InetSocketAddress(InetAddress.getByName("ff02::1:1"), port));
}
Expand Down
2 changes: 1 addition & 1 deletion test/jdk/java/net/MulticastSocket/Test.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ void allTests() throws IOException {
doTest("224.80.80.80");

// If IPv6 is enabled perform multicast tests with various scopes
if (nc.hasTestableIPv6Address()) {
if (nc.ip6MulticastInterfaces().findAny().isPresent()) {
doTest("ff01::a");
}

Expand Down