[GitHub] [doris] yiguolei commented on a diff in pull request #24297: [fix](io): use try with resource make io stream close automatically to avoid resource leak

[via GitHub]

yiguolei commented on code in PR #24297:
URL: https://github.com/apache/doris/pull/24297#discussion_r1325231287


##########
fe/fe-common/src/main/java/org/apache/doris/common/io/DeepCopy.java:
##########
@@ -74,19 +72,17 @@ public static <T> T copy(Writable orig, Class<T> c, int 
metaVersion) {
         metaContext.setMetaVersion(metaVersion);
         metaContext.setThreadLocalInfo();
 
-        FastByteArrayOutputStream byteArrayOutputStream = new 
FastByteArrayOutputStream();
-        DataOutputStream out = new DataOutputStream(byteArrayOutputStream);
-        try {
+        try (FastByteArrayOutputStream byteArrayOutputStream = new 
FastByteArrayOutputStream();
+                DataOutputStream out = new 
DataOutputStream(byteArrayOutputStream)) {
             orig.write(out);
             out.flush();
             out.close();

Review Comment:
   and this line



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