--- old/src/java.management/share/classes/javax/management/openmbean/CompositeType.java	2014-08-27 10:00:32.000000000 +0800
+++ new/src/java.management/share/classes/javax/management/openmbean/CompositeType.java	2014-08-27 10:00:31.000000000 +0800
@@ -463,7 +463,7 @@
                 result.append("(itemName=");
                 result.append(key);
                 result.append(",itemType=");
-                result.append(nameToType.get(key).toString() +")");
+                result.append(nameToType.get(key)).append(')');
                 i++;
             }
             result.append("))");