From 8f49d377755bb9a259546dbccbae74d3f6f85f5a Mon Sep 17 00:00:00 2001
From: liuisaac <80558145+liuisaac@users.noreply.github.com>
Date: Fri, 3 Jul 2026 21:27:02 -0400
Subject: [PATCH] CASSANDRA-19831: Clarify off-heap OOM error msg

Update the log string in JVMStabilityInspector to prevent operators from
mistakenly increasing heap size when an off-heap OOM occurs.

Patch by Isaac Liu; reviewed by TBD for CASSANDRA-19831
---
 src/java/org/apache/cassandra/utils/JVMStabilityInspector.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/java/org/apache/cassandra/utils/JVMStabilityInspector.java b/src/java/org/apache/cassandra/utils/JVMStabilityInspector.java
index b11dafbc72..7322f44a9f 100644
--- a/src/java/org/apache/cassandra/utils/JVMStabilityInspector.java
+++ b/src/java/org/apache/cassandra/utils/JVMStabilityInspector.java
@@ -200,7 +200,7 @@ public final class JVMStabilityInspector
     {
         if (FORCE_HEAP_OOM_IGNORE_SET.contains(oom.getMessage()))
             return;
-        logger.error("Force heap space OutOfMemoryError in the presence of", oom);
+        logger.error("Off-heap OOM forcing heap space OutOfMemoryError after OutOfMemoryError:", oom);
         // Start to produce heap space OOM forcibly.
         List<long[]> ignored = new ArrayList<>();
         while (true)