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I have an application that uses hazelcast. I am running two containers related to this application in docker emvironment. The configuration of hazelcast is same(group name, password, multicast or tcp-ip for network join) However, they cannot see each other and cannot create cluster group. Each of them create its own cluster.

The question is that:

  • How should I define multicast network for docker in hazelcast.xml? —-For example, defining just multicast group and port did not work for me.(But it was working when two virtual machines were used)
  • When I tried network configuration for tcp-ip enabled and assigned docker defined ip addresses as members in hazelcast.xml, it also did not work)
Gurbozo
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1 Answers1

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This and this should get you going.

One thing to pay attention to is the IP address (and the flag hazelcast.local.publicAddress). On Docker, inside the container it will see a specific IP address but from outside the container it will be a different IP address.

Neil Stevenson
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