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  1. WildFly
  2. WFLY-10245

Mod_cluster requires Advertise but Multicast interface is not available

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Details

    • Bug
    • Resolution: Unresolved
    • Minor
    • None
    • 11.0.0.Final
    • mod_cluster
    • None

    Description

      This error message has probably no impact to mod-cluster functionality as tests successfully finished even with this message in workers log. Balancer (standalone.xml) has no error messages.
      standalone-ha.xml (worker)
      standalone.xml (balancer)
      Issue:

      2016-10-24 03:51:18,393 ERROR [org.wildfly.extension.mod_cluster] (ServerService Thread Pool -- 64) WFLYMODCLS0004: Mod_cluster requires Advertise but Multicast interface is not available
      

      Environment:
      Windows machine with Tunnel adapter Teredo Tunneling Pseudo-Interface
      Scenario:
      1. Start Eap (standalone-ha.xml) on Ipv6 address with prefix 2001 (Teredo Tunneling)
      2. Look for Mod_cluster Advertising error

      Error from ContainerEventHandlerService class

      // Read node to set configuration.
              if (config.getAdvertise()) {
                  // There should be a socket-binding.... Well no it needs an advertise socket :-(
                  final SocketBinding binding = this.binding.getOptionalValue();
                  if (binding != null) {
                      config.setAdvertiseSocketAddress(binding.getMulticastSocketAddress());
                      config.setAdvertiseInterface(binding.getSocketAddress().getAddress());
                      if (!isMulticastEnabled(bindingManager.getValue().getDefaultInterfaceBinding().getNetworkInterfaces())) {
                          ROOT_LOGGER.multicastInterfaceNotAvailable();
                      }
                  }
              }
      ...
      private boolean isMulticastEnabled(Collection<NetworkInterface> ifaces) {
              for (NetworkInterface iface : ifaces) {
                  try {
                      if (iface.isUp() && (iface.supportsMulticast() || iface.isLoopback())) {
                          return true;
                      }
                  } catch (SocketException e) {
                      // Ignore
                  }
              }
              return false;
          }
      

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            rhn-engineering-rhusar Radoslav Husar
            bsikora Bogdan Sikora (Inactive)
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            Dates

              Created:
              Updated: