--- old/src/share/vm/jfr/recorder/jfrRecorder.hpp	2019-09-27 13:26:00.959613172 +0800
+++ new/src/share/vm/jfr/recorder/jfrRecorder.hpp	2019-09-27 13:26:00.855609509 +0800
@@ -42,6 +42,7 @@
 
   static bool create_checkpoint_manager();
   static bool create_chunk_repository();
+  static bool create_java_event_writer();
   static bool create_jvmti_agent();
   static bool create_os_interface();
   static bool create_post_box();