--- old/src/java.base/share/classes/java/lang/reflect/Proxy.java 2019-10-04 19:55:23.896238000 -0700 +++ new/src/java.base/share/classes/java/lang/reflect/Proxy.java 2019-10-04 19:55:23.692136000 -0700 @@ -308,6 +308,7 @@ * the invocation handler for this proxy instance. * @serial */ + @SuppressWarnings("serial") // Not statically typed as Serializable protected InvocationHandler h; /**