commit e0af8b4a15e271e750596bb8883742dda243b599
author Jie Kang <jkang@openjdk.org> Mon Nov 16 13:25:40 2020 +0000
committer Erik Gahlin <egahlin@openjdk.org> Mon Nov 16 13:25:40 2020 +0000
tree 9fd34aa8199e5f585b75cc6984d5ed1d9ea5caa7
parent dae4a8c0176f58b3cc6a21f2f8df6c2dcfdad3ac

8255992: JFR EventWriter does not use first string from StringPool with id 0

Reviewed-by: egahlin

src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java

diff --git a/src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java b/src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java
index 624409d..33fdb13 100644
--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java
@@ -48,7 +48,7 @@
 
     private static class SimpleStringIdPool {
         /* string id index */
-        private final AtomicLong sidIdx = new AtomicLong();
+        private final AtomicLong sidIdx = new AtomicLong(1);
         /* the cache */
         private final ConcurrentHashMap<String, Long> cache;
         /* max size */