From 529a32c4daeaa551dc38d96fe3e57fb106cad5c0 Mon Sep 17 00:00:00 2001
From: Weihao Li <18110526956@163.com>
Date: Thu, 22 Jan 2026 23:50:28 +0800
Subject: [PATCH] fix

Signed-off-by: Weihao Li <18110526956@163.com>
---
 .../main/java/org/apache/iotdb/mqtt/PayloadFormatManager.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/external-service-impl/mqtt/src/main/java/org/apache/iotdb/mqtt/PayloadFormatManager.java b/external-service-impl/mqtt/src/main/java/org/apache/iotdb/mqtt/PayloadFormatManager.java
index 7bb051a85269..228b890b47f9 100644
--- a/external-service-impl/mqtt/src/main/java/org/apache/iotdb/mqtt/PayloadFormatManager.java
+++ b/external-service-impl/mqtt/src/main/java/org/apache/iotdb/mqtt/PayloadFormatManager.java
@@ -79,7 +79,8 @@ private static void makeMqttPluginDir() throws IOException {
   }
 
   private static void buildMqttPluginMap() throws IOException {
-    ServiceLoader<PayloadFormatter> payloadFormatters = ServiceLoader.load(PayloadFormatter.class);
+    ServiceLoader<PayloadFormatter> payloadFormatters =
+        ServiceLoader.load(PayloadFormatter.class, PayloadFormatManager.class.getClassLoader());
     for (PayloadFormatter formatter : payloadFormatters) {
       if (formatter == null) {
         logger.error("PayloadFormatManager(), formatter is null.");