From 25fd05d730f4466ac8a50c6e626d733a9d0bb28a Mon Sep 17 00:00:00 2001
From: Manfred Riem <m_riem@hotmail.com>
Date: Thu, 21 Sep 2023 16:28:05 -0500
Subject: [PATCH] Fixes #2182 - SpotBugs analysis: Holder.toString() may return
 null

---
 .../src/main/java/org/glassfish/grizzly/utils/Holder.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/grizzly/src/main/java/org/glassfish/grizzly/utils/Holder.java b/modules/grizzly/src/main/java/org/glassfish/grizzly/utils/Holder.java
index 039b35c807..fc47b1c1c1 100644
--- a/modules/grizzly/src/main/java/org/glassfish/grizzly/utils/Holder.java
+++ b/modules/grizzly/src/main/java/org/glassfish/grizzly/utils/Holder.java
@@ -67,7 +67,7 @@ protected int evaluate() {
     @Override
     public String toString() {
         final E obj = get();
-        return obj != null ? "{" + obj + "}" : null;
+        return obj != null ? "{" + obj + "}" : "{}";
     }
 
     public static abstract class LazyHolder<E> extends Holder<E> {