From be73a3fe1f3a876356d4258720cec5c68aa4f127 Mon Sep 17 00:00:00 2001
From: yx9o <yangx_soft@163.com>
Date: Sun, 24 Aug 2025 21:37:31 +0800
Subject: [PATCH] fix(core): fix lock object error when implementing singleton
 pattern

---
 .../com/automq/stream/s3/metrics/stats/AsyncLRUCacheStats.java  | 2 +-
 .../com/automq/stream/s3/metrics/stats/S3OperationStats.java    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/AsyncLRUCacheStats.java b/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/AsyncLRUCacheStats.java
index c6465692b7..7e520f9a1f 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/AsyncLRUCacheStats.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/AsyncLRUCacheStats.java
@@ -44,7 +44,7 @@ private AsyncLRUCacheStats() {
 
     public static AsyncLRUCacheStats getInstance() {
         if (instance == null) {
-            synchronized (NetworkStats.class) {
+            synchronized (AsyncLRUCacheStats.class) {
                 if (instance == null) {
                     instance = new AsyncLRUCacheStats();
                 }
diff --git a/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/S3OperationStats.java b/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/S3OperationStats.java
index ea7739305c..6ef5c6334e 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/S3OperationStats.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/metrics/stats/S3OperationStats.java
@@ -74,7 +74,7 @@ private S3OperationStats() {
 
     public static S3OperationStats getInstance() {
         if (instance == null) {
-            synchronized (StreamOperationStats.class) {
+            synchronized (S3OperationStats.class) {
                 if (instance == null) {
                     instance = new S3OperationStats();
                 }