[jboss-jira] [JBoss JIRA] (JGRP-1804) UDP: sending of multicasts fails after an ifdown / ifup cycle

[Bela Ban (JIRA)]

Bela Ban created JGRP-1804:
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             Summary: UDP: sending of multicasts fails after an ifdown / ifup cycle
                 Key: JGRP-1804
                 URL: https://issues.jboss.org/browse/JGRP-1804
             Project: JGroups
          Issue Type: Bug
            Reporter: Bela Ban
            Assignee: Bela Ban
             Fix For: 3.5


After an ifdown / if up cycle, sending of multicast messages over mcast_sock fails with an IOException (no such device). Sending unicast datagram packets works.

SOLUTION:
Catch the IOException on the send and set the interface again ({{MulticastSocket.setInterface()}}). This was confirmed to work.

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