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Hi, I have some feedback about this page
The example application doesn't work with the current Spring Boot 3 and Java 17. The cluster can't be established with multicast enabled (default). There is an exception thrown.
Changing hazelcast.yaml as follows helps:
hazelcast:
cluster-name: hazelcast-cluster
network:
join:
multicast:
enabled: false
tcp-ip:
enabled: true
member-list:
- localhost:5701
- localhost:5702
Exception with multicast:
ERROR com.hazelcast.instance.impl.Node : [ip-masked]:5701 [hazelcast-cluster] [5.3.6] Cannot assign requested address: no further information
java.net.BindException: Cannot assign requested address: no further information
at java.base/sun.nio.ch.Net.joinOrDrop4(Native Method) ~[na:na]
at java.base/sun.nio.ch.Net.join4(Net.java:699) ~[na:na]
at java.base/sun.nio.ch.DatagramChannelImpl.innerJoin(DatagramChannelImpl.java:1606) ~[na:na]
at java.base/sun.nio.ch.DatagramChannelImpl.join(DatagramChannelImpl.java:1624) ~[na:na]
at java.base/sun.nio.ch.DatagramSocketAdaptor.joinGroup(DatagramSocketAdaptor.java:546) ~[na:na]
at java.base/sun.nio.ch.DatagramSocketAdaptor.joinGroup(DatagramSocketAdaptor.java:492) ~[na:na]
at java.base/java.net.MulticastSocket.joinGroup(MulticastSocket.java:324) ~[na:na]
at com.hazelcast.internal.cluster.impl.MulticastService.configureMulticastSocket(MulticastService.java:174) ~[hazelcast-5.3.6.jar:5.3.6]
at com.hazelcast.internal.cluster.impl.MulticastService.createMulticastService(MulticastService.java:115) ~[hazelcast-5.3.6.jar:5.3.6]
at com.hazelcast.instance.impl.Node.<init>(Node.java:291) ~[hazelcast-5.3.6.jar:5.3.6]
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