--- a/src/java.base/share/classes/jdk/internal/misc/JavaUtilJarAccess.java	Mon Jul 30 13:53:30 2018 -0400
+++ b/src/java.base/share/classes/jdk/internal/misc/JavaUtilJarAccess.java	Wed Aug 08 08:05:43 2018 +0800
@@ -44,4 +44,5 @@
     public void setEagerValidation(JarFile jar, boolean eager);
     public List<Object> getManifestDigests(JarFile jar);
     public Attributes getTrustedAttributes(Manifest man, String name);
+    public void ensureInitialization(JarFile jar);
 }