Multicast ports are not affected by port-offset in JBoss EAP 6/7

Solution Verified - Updated -

Issue

  • jboss.socket.binding.port-offset` has no effect on multicast ports.
  • Multicast ports do not offset.
  • Why is the port offset configuration not applied to the multicast ports?
  • Prevent two servers from joining the same cluster

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 6
    • 7
  • JGroups UDP clustering
  • port-offset set to something other than 0

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