--- a/jdk/src/share/classes/sun/management/MemoryUsageCompositeData.java	Tue Oct 27 16:32:23 2009 -0700
+++ b/jdk/src/share/classes/sun/management/MemoryUsageCompositeData.java	Wed Oct 28 11:18:01 2009 -0700
@@ -126,4 +126,6 @@
                 "Unexpected composite type for MemoryUsage");
         }
     }
+
+    private static final long serialVersionUID = -8504291541083874143L;
 }