Embedded JDG cache does not join the cluster

Solution Verified - Updated -

Issue

  • An embedded JDG cache (library mode) in an EAP instance with JDG modules did not find other cluster members
  • JDG can not build a cluster, we configure jgroups with the jgroups-udp.xml file with the correct multicast addresses but it looks like that it has no effect
  • Configured initial_hosts but it seems they are not used if JGroups try to build a JDG cluster
  • The JGroups configuration seems to be ignored if I use JDG in library mode inside of EAP6

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 6.x
  • Red Hat JBoss Data Grid (JDG)
    • 6.x
    • 6.3 + (provide the EAP modules)

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