src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/Context.java

@@ -1298,11 +1298,20 @@
      *
      * @param clazz the class
      * @return context
      */
     static Context fromClass(final Class<?> clazz) {
-        final ClassLoader loader = clazz.getClassLoader();
+        ClassLoader loader = null;
+        try {
+            loader = clazz.getClassLoader();
+        } catch (SecurityException ignored) {
+            // This could fail because of anonymous classes being used.
+            // Accessing loader of anonymous class fails (for extension
+            // loader class too?). In any case, for us fetching Context
+            // from class loader is just an optimization. We can always
+            // get Context from thread local storage (below).
+        }
 
         if (loader instanceof ScriptLoader) {
             return ((ScriptLoader)loader).getContext();
         }