From 16def591f74772b653bdcbb449f26872fbe9a0ac Mon Sep 17 00:00:00 2001
From: Istvan Toth <stoty@apache.org>
Date: Mon, 15 Sep 2025 11:54:43 +0200
Subject: [PATCH] HDFS-17832. TestNameNodeResourceChecker fails with Java 24

---
 .../hdfs/server/namenode/TestNameNodeResourceChecker.java      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeResourceChecker.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeResourceChecker.java
index 4e4b7b02719859..764de3f17dd915 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeResourceChecker.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeResourceChecker.java
@@ -27,6 +27,7 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
+import java.util.regex.Pattern;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
@@ -109,7 +110,7 @@ public void testCheckThatNameNodeResourceMonitorIsRunning()
       boolean isNameNodeMonitorRunning = false;
       Set<Thread> runningThreads = Thread.getAllStackTraces().keySet();
       for (Thread runningThread : runningThreads) {
-        if (runningThread.toString().startsWith("Thread[" + name)) {
+        if (runningThread.toString().matches("Thread\\[(#\\d+,)?" + Pattern.quote(name) + ".*")) {
           isNameNodeMonitorRunning = true;
           break;
         }