public void setRemoteSessionLocator(RemoteSessionLocator remoteSessionLocator) {
        this.remoteSessionLocator = remoteSessionLocator;
    }
Sets the locator to use to find sessions hosted in other cluster nodes. When not running
in a cluster set a {@code null} value.

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