--- old/src/share/classes/com/sun/corba/se/impl/transport/SelectorImpl.java	Mon Jun 25 21:04:24 2012
+++ new/src/share/classes/com/sun/corba/se/impl/transport/SelectorImpl.java	Mon Jun 25 21:04:24 2012
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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
@@ -69,8 +69,8 @@
     private HashMap listenerThreads;
     private Map readerThreads;
     private boolean selectorStarted;
-    private boolean closed;
-    private ORBUtilSystemException wrapper ;
+    private volatile boolean closed;
+    private ORBUtilSystemException wrapper;
 
 
     public SelectorImpl(ORB orb)