Index: gms/src/main/java/com/sun/enterprise/mgmt/transport/AbstractNetworkManager.java
===================================================================
--- gms/src/main/java/com/sun/enterprise/mgmt/transport/AbstractNetworkManager.java	(revision 836)
+++ gms/src/main/java/com/sun/enterprise/mgmt/transport/AbstractNetworkManager.java	Wed Apr 28 16:52:20 KST 2010
@@ -158,10 +158,11 @@
         return localPeerID;
     }
 
-    private static NetworkManager networkManager = null;
+    //private static NetworkManager networkManager = null;
 
 
     private static NetworkManager findByServiceLoader(String transport) {
+        NetworkManager networkManager = null;
         ServiceLoader<NetworkManager> loader = ServiceLoader.load(NetworkManager.class);
         Iterator<NetworkManager> iter = loader.iterator();
 
@@ -185,6 +186,7 @@
     }
 
     private static NetworkManager findByClassLoader(String classname) {
+        NetworkManager networkManager = null;
         // for jdk 5.  just use class loader.
         try{
             Class networkManagerClass = Class.forName(classname);
@@ -196,22 +198,21 @@
     }
 
     public static NetworkManager getInstance(String transport) {
-        if (networkManager == null) {
+        NetworkManager networkManager = null;
-            try {
-                networkManager = findByServiceLoader(transport);
-            } catch (Throwable t) {
-                // jdk 5 will end up here.    
-            }
-            if (networkManager == null) {
-                String classname = null;
-                if (transport.compareToIgnoreCase(GMSConstants.GRIZZLY_GROUP_COMMUNICATION_PROVIDER) == 0) {
-                    classname = "com.sun.enterprise.mgmt.transport.grizzly.GrizzlyNetworkManager";
-                } else {
-                    classname = "com.sun.enterprise.mgmt.transport.jxta.JxtaNetworkManager";
-                }
-                networkManager = findByClassLoader(classname);
-            }
+        try {
+            networkManager = findByServiceLoader(transport);
+        } catch (Throwable t) {
+            // jdk 5 will end up here.
+        }
+        if (networkManager == null) {
+            String classname = null;
+            if (transport.compareToIgnoreCase(GMSConstants.GRIZZLY_GROUP_COMMUNICATION_PROVIDER) == 0) {
+                classname = "com.sun.enterprise.mgmt.transport.grizzly.GrizzlyNetworkManager";
+            } else {
+                classname = "com.sun.enterprise.mgmt.transport.jxta.JxtaNetworkManager";
+            }
+            networkManager = findByClassLoader(classname);
+        }
-        }
         return networkManager;
     }