--- old/src/java.base/share/classes/sun/net/ConnectionResetException.java	2019-08-27 17:29:28.462324386 -0700
+++ new/src/java.base/share/classes/sun/net/ConnectionResetException.java	2019-08-27 17:29:28.274324386 -0700
@@ -34,6 +34,7 @@
  */
 public
 class ConnectionResetException extends SocketException {
+    @java.io.Serial
     private static final long serialVersionUID = -7633185991801851556L;
 
     public ConnectionResetException(String msg) {