--- a/jdk/src/share/classes/com/sun/beans/WeakCache.java	Fri Nov 27 16:20:36 2009 +0900
+++ b/jdk/src/share/classes/com/sun/beans/WeakCache.java	Fri Nov 27 15:24:43 2009 +0300
@@ -81,4 +81,11 @@
             this.map.remove(key);
         }
     }
+
+    /**
+     * Removes all of the mappings from this cache.
+     */
+    public void clear() {
+        this.map.clear();
+    }
 }