diff -r 553a664b807b -r 4906dae0c5fa src/share/classes/org/omg/CORBA/ORB.java
--- a/src/share/classes/org/omg/CORBA/ORB.java	Thu Apr 16 11:22:37 2009 -0700
+++ b/src/share/classes/org/omg/CORBA/ORB.java	Mon Apr 20 00:12:19 2009 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1995-2006 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -289,7 +289,7 @@
      *
      * @return the singleton ORB
      */
-    public static ORB init() {
+    public static synchronized ORB init() {
         if (singleton == null) {
             String className = getSystemProperty(ORBSingletonClassKey);
             if (className == null)