diff -r a7d850b47b19 -r 8412a437a4bc src/jdk.jfr/share/classes/jdk/jfr/internal/SecuritySupport.java
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/SecuritySupport.java	Sat Oct 26 23:59:51 2019 +0200
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/SecuritySupport.java	Mon Oct 28 17:33:38 2019 +0100
@@ -474,16 +474,16 @@
 
         @Override
         public  String getAbsolutePath(File f) throws IOException {
-            return doPrivilegedIOWithReturn( () ->f.getAbsolutePath());
+            return doPrivilegedIOWithReturn( () -> f.getAbsolutePath());
         }
         @Override
         public long length(File f) throws IOException {
-            return doPrivilegedIOWithReturn( () ->f.length());
+            return doPrivilegedIOWithReturn( () -> f.length());
         }
 
         @Override
         public  long fileSize(Path p) throws IOException {
-            return doPrivilegedIOWithReturn( () ->Files.size(p));
+            return doPrivilegedIOWithReturn( () -> Files.size(p));
         }
     }