--- a/src/alice/topology/manager/keeparive/SendPing.java	Tue Dec 03 21:34:42 2013 +0900
+++ b/src/alice/topology/manager/keeparive/SendPing.java	Fri Dec 06 11:42:51 2013 +0900
@@ -9,23 +9,31 @@
 	private TaskInfo nowTask;
 	private boolean interruptFlag = false;
 	private long time = 0;
+	private static SendPing instance = new SendPing();
 
-	static class SingletonHolder {
-		private static SendPing Instance = new SendPing();		
-	}
-	public static SendPing getInstance(){
-		return SingletonHolder.Instance;
-	}
+	private SendPing(){}
+	public static SendPing getInstance() {
+	    return instance;
+	 }
+	
 	public void setKey(){
+		ids.init();
 		info.setKey("_WAITINGLIST");
 	}
 	
 	@Override
 	public synchronized void run() {
 		ListManager list = info.asClass(ListManager.class);
+		if (list.getTaskList().size() == 0){
+			ods.update("_WAITINGLIST", list);
+			new GetTask();
+			return;
+		}
 		try {
 			nowTask = list.getTaskList().pollFirst();
 			ods.update("_WAITINGLIST", list);
+			System.out.print("managerkey is "+ nowTask.getManagerKey());
+			System.out.println(" returnkey is "+ nowTask.getReturnKey());
 			time = System.currentTimeMillis();
 			if (nowTask.getSleepTime()!=0)
 				this.wait(nowTask.getSleepTime());
@@ -33,10 +41,11 @@
 				interruptFlag = false;
 			} else {
 				ods.ping(nowTask.getManagerKey(), nowTask.getReturnKey());
+				new RespondPing(nowTask.getReturnKey());
 			}
 		} catch (InterruptedException e) {		
 		}
-		SendPing.getInstance().setKey();
+		new GetTask();
 	}
 	public synchronized void interrupt(){
 		interruptFlag = true;