--- a/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Tue Feb 03 12:31:48 2015 +0900
+++ b/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Wed Feb 04 17:46:09 2015 +0900
@@ -44,6 +44,7 @@
 import java.util.TimerTask;
 import java.util.logging.Logger;
 
+import com.glavsoft.viewer.ViewerInterface;
 import jp.ac.u_ryukyu.treevnc.*;
 
 
@@ -155,19 +156,15 @@
             } catch (TransportException e) {
                 logger.severe("Close session: " + e.getMessage());
                 if(!rfb.isTreeManager() && !(rfb.getTerminationType())) {
-                    System.out.println("task stop");
-                    TreeVncProtocol echo = new TreeVncProtocol(rfb.getConnectionParam().getHostName(), rfb.getConnectionParam().getPort());
-                    int counter = 3;
-                    while(counter-- > 0) {
-                        try {
-                            if (rfb.isLeader()) {
-//                                echo.lostParent(rfb.getMyAddress(),rfb.getAcceptPort());
-                            }
-                            break;
-                        } catch (Exception e1) {
-                            logger.severe("Cannot send lostHost: " + e1.getMessage());
-                            sleep(3000);
-                        }
+                    System.out.println("death parent node, wait connect new parent node.");
+                    // close viewer
+                    ViewerInterface viewer = rfb.getViewer();
+                    viewer.setVisible(false);
+                    try {
+                        // clean DataInputStream
+                        reader.close();
+                    } catch (TransportException e1) {
+                        e1.printStackTrace();
                     }
                 }
                 stopTask();
@@ -201,7 +198,7 @@
             Thread.sleep(i);
         } catch (InterruptedException e) {
             // nothing.
-            System.out.println("any thread has interrupted the current thread.");
+
         }
     }
 

--- a/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingNetworkConnectionWorker.java	Tue Feb 03 12:31:48 2015 +0900
+++ b/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingNetworkConnectionWorker.java	Wed Feb 04 17:46:09 2015 +0900
@@ -130,18 +130,9 @@
             presenter.connectionFailed();
         } catch (ExecutionException e) {
 
-            // lostparent
+            // wait new connectTo
             System.out.println("lost parent");
-            TreeVncProtocol echo = new TreeVncProtocol(connectionParams.getHostName(), connectionParams.getPortNumber());
-            int counter = 3;
-            while(counter-- > 0) {
-                try {
-                    echo.lostParent(rfb.getMyAddress(),rfb.getAcceptPort());
-                    break;
-                } catch (Exception e1) {
-                    logger.severe("Cannot send lostHost: " + e1.getMessage());
-                }
-            }
+
 
 
             String errorMessage = null;
@@ -178,7 +169,10 @@
                 errorMessage = "Couldn't connect to '" + formatHostString(connectionParams.hostName) +
                         ":" + connectionParams.getPortNumber() + "':\n" + throwable.getMessage();
             }
-            presenter.showConnectionErrorDialog(errorMessage);
+
+            String message =  "please waiting connect to new node \n \n" + errorMessage;
+            // show error panel
+            presenter.showConnectionErrorDialog(message);
             presenter.clearMessage();
             presenter.connectionFailed();
         }