/** Ping all electable nodes to issue missed events. */
private void pingElectableNodes(ReplicationNode repNode,
ReplicationGroup repGroup) {
final String name = repNode.getName();
try {
DbPing ping = new DbPing(repNode,
getGroupName(),
socketConnectTimeout);
NodeState state = ping.getNodeState();
/*
* Send a JoinGroupEvent if this node didn't issue a
* JoinGroupEvent before.
*/