--- old/src/java.base/share/classes/java/nio/file/ProviderNotFoundException.java	2019-08-27 17:28:18.046324386 -0700
+++ new/src/java.base/share/classes/java/nio/file/ProviderNotFoundException.java	2019-08-27 17:28:17.882324386 -0700
@@ -34,6 +34,7 @@
 public class ProviderNotFoundException
     extends RuntimeException
 {
+    @java.io.Serial
     static final long serialVersionUID = -1880012509822920354L;
 
     /**