From 702c2986073a00d03ec53a19a0fff4123290d478 Mon Sep 17 00:00:00 2001
From: Senrian <47714364+Senrian@users.noreply.github.com>
Date: Sun, 29 Mar 2026 18:17:39 +0800
Subject: [PATCH] fix: use try-with-resources in copyFile to prevent resource
 leak (issue #10208)

---
 .../rocketmq/common/utils/IOTinyUtils.java       | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java b/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
index acba540d3a5..d019f729f5f 100644
--- a/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
+++ b/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
@@ -86,19 +86,11 @@ static public void copyFile(String source, String target) throws IOException {
             throw new RuntimeException("failed to create target file.");
         }
 
-        FileChannel sc = null;
-        FileChannel tc = null;
-        try {
-            tc = new FileOutputStream(tf).getChannel();
-            sc = new FileInputStream(sf).getChannel();
+        try (FileInputStream fis = new FileInputStream(sf);
+             FileOutputStream fos = new FileOutputStream(tf);
+             FileChannel sc = fis.getChannel();
+             FileChannel tc = fos.getChannel()) {
             sc.transferTo(0, sc.size(), tc);
-        } finally {
-            if (null != sc) {
-                sc.close();
-            }
-            if (null != tc) {
-                tc.close();
-            }
         }
     }