Getting `Can’t assign requested address` java.net.SocketException using Ehcache multicast
This was caused by an IPv6 address being returned from java.net.NetworkInterface.getDefault(). I’m on a Macbook and was using wireless — p2p0 (used for AirDrop) was returned as the default network interface but my p2p0 only has an IPv6 ether entry (found by running ipconfig). Two solutions, both of which worked for me (I prefer the … Read more