diff -r baf88aa4f5db -r 0ef79bd7fb5c src/jdk.jfr/share/classes/jdk/jfr/internal/EventWriter.java
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/EventWriter.java	Tue Sep 17 19:37:49 2019 +0200
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/EventWriter.java	Wed Sep 18 03:45:46 2019 +0200
@@ -26,7 +26,7 @@
 package jdk.jfr.internal;
 
 import jdk.internal.misc.Unsafe;
-import jdk.jfr.internal.consumer.StringEncoding;
+import jdk.jfr.internal.consumer.StringParser;
 
 /**
  * Class must reside in a package with package restriction.
@@ -115,18 +115,18 @@
 
     public void putString(String s, StringPool pool) {
         if (s == null) {
-            putByte(StringEncoding.STRING_ENCODING_NULL);
+            putByte(StringParser.Encoding.NULL.byteValue());
             return;
         }
         int length = s.length();
         if (length == 0) {
-            putByte(StringEncoding.STRING_ENCODING_EMPTY_STRING);
+            putByte(StringParser.Encoding.EMPTY_STRING.byteValue());
             return;
         }
         if (length > StringPool.MIN_LIMIT && length < StringPool.MAX_LIMIT) {
             long l = StringPool.addString(s);
             if (l > 0) {
-                putByte(StringEncoding.STRING_ENCODING_CONSTANT_POOL);
+                putByte(StringParser.Encoding.CONSTANT_POOL.byteValue());
                 putLong(l);
                 return;
             }
@@ -138,7 +138,7 @@
     private void putStringValue(String s) {
         int length = s.length();
         if (isValidForSize(1 + 5 + 3 * length)) {
-            putUncheckedByte(StringEncoding.STRING_ENCODING_CHAR_ARRAY); // 1 byte
+            putUncheckedByte(StringParser.Encoding.CHAR_ARRAY.byteValue()); // 1 byte
             putUncheckedInt(length); // max 5 bytes
             for (int i = 0; i < length; i++) {
                 putUncheckedChar(s.charAt(i)); // max 3 bytes