--- a/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri May 23 19:58:35 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri May 23 20:24:43 2014 +0900
@@ -43,7 +43,7 @@
 		rThread = new RequestScreenThread(this);
 	}
 	
-	public void setViewer(VncProxyService viewer) {
+	public void setVncProxy(VncProxyService viewer) {
 		this.viewer = viewer;
 	}
 
@@ -124,6 +124,7 @@
 									if (length == 0) 
 										continue;
 				                	String newHostName = new String(b, 8, length);
+				                	System.out.println("Root server change request :" + newHostName);
 									// please remove these numbers.
 				                	if (viewer != null) {
 					                    viewer.changeVNCServer(newHostName, 3200, 1980);