From 60481a33f5721b032b4169dedea54bdc2c7423e7 Mon Sep 17 00:00:00 2001
From: wangbo <506340561@qq.com>
Date: Fri, 29 Dec 2023 16:59:44 +0800
Subject: [PATCH] Fix topicPublisher thread may NPE when no topic exists

---
 .../org/apache/doris/common/publish/TopicPublisherThread.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java b/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
index db5158e24f5a012..92f561305e033b4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
@@ -66,7 +66,7 @@ protected void runAfterCatalogReady() {
             topicPublisher.getTopicInfo(request);
         }
 
-        if (request.getTopicMap().size() == 0) {
+        if (request.getTopicMapSize() == 0) {
             return;
         }