--- old/src/share/vm/classfile/classLoaderData.cpp	2016-06-27 23:15:36.474224530 +0900
+++ new/src/share/vm/classfile/classLoaderData.cpp	2016-06-27 23:15:36.331224748 +0900
@@ -142,7 +142,9 @@
 
   f->do_oop(&_class_loader);
   _dependencies.oops_do(f);
-  _handles->oops_do(f);
+  if (_handles != NULL) {
+    _handles->oops_do(f);
+  }
   if (klass_closure != NULL) {
     classes_do(klass_closure);
   }