--- a/src/alice/topology/manager/keeparive/CreateTask.java	Tue Dec 17 18:54:47 2013 +0900
+++ b/src/alice/topology/manager/keeparive/CreateTask.java	Tue Dec 17 19:46:29 2013 +0900
@@ -14,7 +14,7 @@
 	}
 	
 	@Override
-	public void run() {
+	public void run(){
 		ods.put("_WAITINGLIST", new ListManager());
 		@SuppressWarnings("unchecked")
 		List<String> list = info.asClass(List.class);

--- a/src/alice/topology/manager/keeparive/TaskExecuter.java	Tue Dec 17 18:54:47 2013 +0900
+++ b/src/alice/topology/manager/keeparive/TaskExecuter.java	Tue Dec 17 19:46:29 2013 +0900
@@ -13,7 +13,7 @@
 	private static TaskExecuter instance = new TaskExecuter();
 
 	private TaskExecuter(){}
-	public static TaskExecuter getInstance() {
+	public static TaskExecuter getInstance(){
 		return instance;
 	}
 
@@ -23,7 +23,7 @@
 	}
 
 	@Override
-	public synchronized void run() {
+	public synchronized void run(){
 		ListManager list = info.asClass(ListManager.class);
 		if (list.getTaskList().size() == 0){
 			ods.update("_WAITINGLIST", list);
@@ -36,13 +36,16 @@
 		if (nowTask.getSleepTime()!=0){
 			try {
 				this.wait(nowTask.getSleepTime());
-			} catch (InterruptedException e) {}
+			} catch (InterruptedException e){}
 		}
 		if (interruptFlag){				
 			interruptFlag = false;
 		} else {
-			if (nowTask.getType() == TaskType.PING) {
+			if (nowTask.getType() == TaskType.PING){
 				ods.ping(nowTask.getManagerKey(), nowTask.getReturnKey());
+				TaskInfo task = new TaskInfo(TaskType.CLOSE);
+				task.setInfo(nowTask.getManagerKey(), 60 * 1000);
+				ods.put("_TASKINFO", task);
 				new RespondPing(nowTask.getReturnKey());
 			} else {
 				DataSegment.get(nowTask.getManagerKey()).close();
@@ -57,7 +60,7 @@
 		notify();
 	}
 
-	public TaskInfo getNowTask() {
+	public TaskInfo getNowTask(){
 		return nowTask;
 	}
 

--- a/src/alice/topology/manager/keeparive/TaskInfo.java	Tue Dec 17 18:54:47 2013 +0900
+++ b/src/alice/topology/manager/keeparive/TaskInfo.java	Tue Dec 17 19:46:29 2013 +0900
@@ -10,13 +10,18 @@
 		type = t;
 	}
 	
+	public void setInfo(String managerKey, long time){
+		this.managerKey = managerKey;
+		sleepTime = time;
+	}
+	
 	public void setInfo(String managerKey, String returnKey, long time){
 		this.managerKey = managerKey;
 		this.returnKey = returnKey;
 		sleepTime = time;
 	}
 	
-	public TaskType getType() {
+	public TaskType getType(){
 		return type;
 	}
 	
@@ -28,11 +33,11 @@
 		sleepTime = time;
 	}
 
-	public String getManagerKey() {
+	public String getManagerKey(){
 		return managerKey;
 	}
 	
-	public String getReturnKey() {
+	public String getReturnKey(){
 		return returnKey;
 	}
 }