final boolean isCC = msg.isClusterConnection();
if (acceptorUsed.getClusterConnection() != null)
{
acceptorUsed.getClusterConnection().addClusterTopologyListener(listener, isCC);
rc.addCloseListener(new CloseListener()
{
public void connectionClosed()
{
acceptorUsed.getClusterConnection().removeClusterTopologyListener(listener, isCC);
}