Fix example to work with broken OSX ipv6 multicast #32
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Isn’t IPv4 enabled and IPv6 disabled by default for Hazelcast? Do you really need to set that property? See https://docs.hazelcast.com/imdg/4.2/clusters/network-configuration.html#ipv6-support |
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At least with both instances running on the same mac (different SERVER_PORT values), they are not able to form a cluster without the above parameter (that gets passed to the JVM options)... they instead start two independent clusters on 5701 and 5702. OpenJDK 16.0.1 64-bit |
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Because of the issue described here, IPv6 multicast does not work on OSX breaking this and other hazelcast examples from working. A parameter must be passed to the JVM to prefer the IPv4 network stack. This PR does that. I don't think it will break anything on Linux or Windows, but I haven't tested it there.
PR for other example effected by this is: hazelcast-guides/springboot-webfilter-session-replication#43