--- old/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdDump.java	2019-04-24 21:32:17.447208105 +0900
+++ new/src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdDump.java	2019-04-24 21:32:17.155208431 +0900
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -124,6 +124,10 @@
         Recording recording = null;
         if (name != null) {
             recording = findRecording(name);
+            var dest = recording.getDestination();
+            if ((filename == null) && (dest != null)) {
+                filename = dest.toString();
+            }
         }
         PlatformRecorder recorder = PrivateAccess.getInstance().getPlatformRecorder();
         synchronized (recorder) {