disp = new RpcDispatcher(channel, messageListener, membershipListener, rpcMethods);
channel.connect("RspFilterTestGroup");
Util.sleep(1000);
String param = channel.getName();
MethodCall call = new MethodCall("getNodeName", new Object[]{param}, new Class[]{String.class});
logger.info("Call all members getNodeName()");
RequestOptions requestOptions = new RequestOptions(ResponseMode.GET_ALL, 0, false, new MyRspFilter());
rsp_list = disp.callRemoteMethods(null, call, requestOptions);
System.out.println("Responses:");