key = new Key ("", "");
    public Transactor (Runnable runnable, ThreadGroup group, NodeManager nmgr) {	super (group, runnable, group.getName ());	this.nmgr = nmgr;	nodes = new HashMap ();	cleannodes = new HashMap ();	sqlCon = new HashMap ();	active = false;	killed = false;	timer = new Timer();	key = new Key ("", "");    }