--- a/src/main/java/alice/topology/node/TopologyNodeConfig.java	Fri Nov 20 17:57:55 2015 +0900
+++ b/src/main/java/alice/topology/node/TopologyNodeConfig.java	Sat Nov 21 18:23:51 2015 +0900
@@ -8,7 +8,7 @@
 public class TopologyNodeConfig extends Config {
 
     private String managerHostName;
-    private InetAddress managerHostIP;
+    private String managerHostIP;
     private int managerPort = 10000;
     public String cookie;
     private ArrayList<Class> eventList = new ArrayList<Class>();
@@ -24,29 +24,18 @@
             } else if ("-cookie".equals(args[i])) {
                 cookie = args[++i];
             } else if ("-ip".equals(args[i])){
-                setManagerHostIP(args[++i]);
+                managerHostIP = args[++i];
             }
         }
     }
 
-    public void setManagerHostIP(String args) {
-        try {
-            managerHostIP = InetAddress.getByName(args);
-        } catch (UnknownHostException e) {
-            e.printStackTrace();
-        }
-    }
+   public String getManagerHostIP(){
+       return managerHostIP;
+   }
 
-    public InetAddress getManagerHostIP(){
-        if (managerHostIP == null){
-            try {
-                managerHostIP = InetAddress.getByName(getManagerHostName());
-            } catch (UnknownHostException e) {
-                e.printStackTrace();
-            }
-        }
-        return managerHostIP;
-    }
+   public void setManagerHostIP(String ip){
+       this.managerHostIP = ip;
+   }
 
     public String getManagerHostName() {
         return managerHostName;