void sendMakeCopyMessage() {
void sendMakeCopyMessage() throws Throwable {
    void sendMakeCopyMessage() {        GroupRequest req;        Message msg=new Message();        StateTransferRequest r=new StateTransferRequest(StateTransferRequest.MAKE_COPY, local_addr);        Vector dests=new Vector(11);        for(int i=0; i < members.size(); i++)                dests.addElement(members.elementAt(i));        if(dests.size() == 0)            return;        try {            msg.setBuffer(Util.objectToByteBuffer(r));        }        catch(Exception e) {        }        req=new GroupRequest(msg, corr, dests, GroupRequest.GET_ALL, timeout_return_state, 0);        req.execute();    }