--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/jdi/ReferenceTypeImpl.java	Thu Jun 28 11:37:28 2012 +0200
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/jdi/ReferenceTypeImpl.java	Mon Jul 09 01:28:37 2012 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -688,8 +688,7 @@
         if (sde == null) {
            String extension = null;
            if (saKlass instanceof InstanceKlass) {
-              Symbol sdeSym = ((InstanceKlass)saKlass).getSourceDebugExtension();
-              extension = (sdeSym != null)? sdeSym.asString() : null;
+              extension = ((InstanceKlass)saKlass).getSourceDebugExtension();
            }
            if (extension == null) {
               sde = NO_SDE_INFO_MARK;