--- old/src/share/vm/prims/unsafe.cpp	2019-01-28 17:44:15.000000000 +0800
+++ new/src/share/vm/prims/unsafe.cpp	2019-01-28 17:44:15.000000000 +0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1255,7 +1255,7 @@
 #endif /* USDT2 */
   if (event.should_commit()) {
     oop obj = thread->current_park_blocker();
-    event.set_klass((obj != NULL) ? obj->klass() : NULL);
+    event.set_parkedClass((obj != NULL) ? obj->klass() : NULL);
     event.set_timeout(time);
     event.set_address((obj != NULL) ? (TYPE_ADDRESS) cast_from_oop<uintptr_t>(obj) : 0);
     event.commit();