if(log.isInfoEnabled()) log.info("removed element " + data);
if(log.isDebugEnabled()) log.debug("removed element " + data);
    void removeRejectedMergeRequests(Vector coords) {        MergeData data;        for(Iterator it=merge_rsps.iterator(); it.hasNext();) {            data=(MergeData)it.next();            if(data.merge_rejected) {                if(data.getSender() != null && coords != null)                    coords.removeElement(data.getSender());                it.remove();                    if(log.isInfoEnabled()) log.info("removed element " + data);            }        }    }