public RemoteSessionLocator getRemoteSessionLocator() {
        return remoteSessionLocator;
    }
Returns the locator to use to find sessions hosted in other cluster nodes. When not running
in a cluster a {@code null} value is returned.

@return the locator to use to find sessions hosted in other cluster nodes.
xmppserver/src/main/java/org/jivesoftware/openfire/XMPPServer.java