Have you seen the RAFT implementation in jgroups [1]? It maybe helpful to implement the leader election.


[1] http://belaban.github.io/jgroups-raft/manual/index.html


On 11 Apr 2016, at 18:57, Brian Stansberry <brian.stansberry@redhat.com> wrote:

1) A longstanding request to have automatic failover of the master HC to 
a backup. There are different ways to do this, but group communication 
based leader election is a possible solution. My preference, really.