From 2a4452f839c7caaa3918639ca6bc6bdf44544e23 Mon Sep 17 00:00:00 2001
From: hengyunabc <hengyunabc@gmail.com>
Date: Fri, 11 Nov 2022 16:19:46 +0800
Subject: [PATCH] fix thread command NullPointerException. #2342

---
 .../taobao/arthas/core/command/monitor200/ThreadCommand.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/java/com/taobao/arthas/core/command/monitor200/ThreadCommand.java b/core/src/main/java/com/taobao/arthas/core/command/monitor200/ThreadCommand.java
index 63e975174..4df8516ae 100755
--- a/core/src/main/java/com/taobao/arthas/core/command/monitor200/ThreadCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/monitor200/ThreadCommand.java
@@ -222,7 +222,7 @@ public class ThreadCommand extends AnnotatedCommand {
     private ThreadInfo findThreadInfoById(ThreadInfo[] threadInfos, long id) {
         for (int i = 0; i < threadInfos.length; i++) {
             ThreadInfo threadInfo = threadInfos[i];
-            if ( threadInfo.getThreadId() == id) {
+            if (threadInfo != null && threadInfo.getThreadId() == id) {
                 return threadInfo;
             }
         }