From 0b6bd70b8d1e7b7cd4d82aa2e0cbfd5e0323d440 Mon Sep 17 00:00:00 2001
From: Jiwei Guo <technoboy@apache.org>
Date: Tue, 20 Feb 2024 00:09:14 +0800
Subject: [PATCH] [fix][test] Fix Thread.getThreadGroup().getName() NPE
 (#22070)

---
 .../org/apache/pulsar/tests/ThreadLeakDetectorListener.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java b/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java
index 98ac0ae2c2776..0757730423688 100644
--- a/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java
+++ b/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java
@@ -177,7 +177,8 @@ private static boolean shouldSkipThread(Thread thread) {
             return true;
         }
         // skip Testcontainers threads
-        if (thread.getThreadGroup() != null && "testcontainers".equals(thread.getThreadGroup().getName())) {
+        final ThreadGroup threadGroup = thread.getThreadGroup();
+        if (threadGroup != null && "testcontainers".equals(threadGroup.getName())) {
             return true;
         }
         String threadName = thread.getName();