Index: src/main/java/com/sun/enterprise/ee/cms/impl/common/GroupLeadershipNotificationSignalImpl.java
===================================================================
--- src/main/java/com/sun/enterprise/ee/cms/impl/common/GroupLeadershipNotificationSignalImpl.java	(revision 730)
+++ src/main/java/com/sun/enterprise/ee/cms/impl/common/GroupLeadershipNotificationSignalImpl.java	Mon Mar 08 14:25:13 KST 2010
@@ -104,14 +104,6 @@
      * {@inheritDoc}
      */
     public void release() throws SignalReleaseException {
-        if( previousView != null )
-            previousView.clear();
-        if( currentView != null )
-            currentView.clear();
-        if( currentCoreMembers != null )
-            currentCoreMembers.clear();
-        if( allCurrentMembers != null )
-            allCurrentMembers.clear();
     }
 
     /**
Index: src/main/java/com/sun/enterprise/ee/cms/impl/jxta/ViewWindow.java
===================================================================
--- src/main/java/com/sun/enterprise/ee/cms/impl/jxta/ViewWindow.java	(revision 747)
+++ src/main/java/com/sun/enterprise/ee/cms/impl/jxta/ViewWindow.java	Mon Mar 08 14:25:13 KST 2010
@@ -598,7 +598,7 @@
         synchronized(views) {
             final int INDEX = views.size() - 2;
             if (INDEX >= 0) {
-                result = views.get(INDEX);
+                result = new ArrayList<GMSMember>( views.get(INDEX) );
             }
         }
         return result;
@@ -609,7 +609,7 @@
         synchronized(views) {
             final int INDEX = views.size() - 1;
             if (INDEX >= 0) {
-                result = views.get(INDEX);
+                result = new ArrayList<GMSMember>( views.get(INDEX) );
             }
         }
         return result;
Index: src/main/java/com/sun/enterprise/ee/cms/impl/base/ViewWindowImpl.java
===================================================================
--- src/main/java/com/sun/enterprise/ee/cms/impl/base/ViewWindowImpl.java	(revision 815)
+++ src/main/java/com/sun/enterprise/ee/cms/impl/base/ViewWindowImpl.java	Mon Mar 08 14:25:13 KST 2010
@@ -587,7 +587,7 @@
         synchronized(views) {
             final int INDEX = views.size() - 2;
             if (INDEX >= 0) {
-                result = views.get(INDEX);
+                result = new ArrayList<GMSMember>( views.get(INDEX) );
             }
         }
         return result;
@@ -598,7 +598,7 @@
         synchronized(views) {
             final int INDEX = views.size() - 1;
             if (INDEX >= 0) {
-                result = views.get(INDEX);
+                result = new ArrayList<GMSMember>( views.get(INDEX) );
             }
         }
         return result;