--- old/src/java.base/share/classes/sun/launcher/LauncherHelper.java	2017-03-21 13:44:15.956308871 +0000
+++ new/src/java.base/share/classes/sun/launcher/LauncherHelper.java	2017-03-21 13:44:15.752294872 +0000
@@ -85,6 +85,7 @@
 import java.util.stream.Stream;
 
 import jdk.internal.misc.VM;
+import jdk.internal.module.IllegalAccessLogger;
 import jdk.internal.module.Modules;
 
 
@@ -428,14 +429,20 @@
                 abort(null, "java.launcher.jar.error3", jarname);
             }
 
-            // Add-Exports and Add-Opens to break encapsulation
+            // Add-Exports and Add-Opens to allow illegal access
             String exports = mainAttrs.getValue(ADD_EXPORTS);
             if (exports != null) {
-                addExportsOrOpens(exports, false);
+                String warn = getLocalizedMessage("java.launcher.permitaccess.warning",
+                                                  jarname, ADD_EXPORTS);
+                System.err.println(warn);
+                addExportsOrOpens(exports, false, ADD_EXPORTS);
             }
             String opens = mainAttrs.getValue(ADD_OPENS);
             if (opens != null) {
-                addExportsOrOpens(opens, true);
+                String warn = getLocalizedMessage("java.launcher.permitaccess.warning",
+                                                   jarname, ADD_OPENS);
+                System.err.println(warn);
+                addExportsOrOpens(opens, true, ADD_OPENS);
             }
 
             /*
@@ -460,23 +467,36 @@
      * Process the Add-Exports or Add-Opens value. The value is
      * {@code <module>/<package> ( <module>/<package>)*}.
      */
-    static void addExportsOrOpens(String value, boolean open) {
+    static void addExportsOrOpens(String value, boolean open, String how) {
+        IllegalAccessLogger.Builder builder;
+        IllegalAccessLogger logger = IllegalAccessLogger.illegalAccessLogger();
+        if (logger == null) {
+            builder = new IllegalAccessLogger.Builder();
+        } else {
+            builder = logger.toBuilder();
+        }
+
         for (String moduleAndPackage : value.split(" ")) {
             String[] s = moduleAndPackage.trim().split("/");
             if (s.length == 2) {
                 String mn = s[0];
                 String pn = s[1];
+
                 Layer.boot().findModule(mn).ifPresent(m -> {
                     if (m.getDescriptor().packages().contains(pn)) {
                         if (open) {
+                            builder.logAccessToOpenPackage(m, pn, how);
                             Modules.addOpensToAllUnnamed(m, pn);
                         } else {
+                            builder.logAccessToExportedPackage(m, pn, how);
                             Modules.addExportsToAllUnnamed(m, pn);
                         }
                     }
                 });
             }
         }
+
+        IllegalAccessLogger.setIllegalAccessLogger(builder.build());
     }
 
     // From src/share/bin/java.c: