(ratis) 23/49: RATIS-2260. AtomicFileOutputStream should truncate temp file (#1237)

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commit f80e0041165a9ac53f52abb35a3a49e7fae7b9f9
Author: Doroszlai, Attila <64...@users.noreply.github.com>
AuthorDate: Mon Mar 17 18:47:59 2025 +0100

    RATIS-2260. AtomicFileOutputStream should truncate temp file (#1237)
---
 .../main/java/org/apache/ratis/util/AtomicFileOutputStream.java    | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/ratis-common/src/main/java/org/apache/ratis/util/AtomicFileOutputStream.java b/ratis-common/src/main/java/org/apache/ratis/util/AtomicFileOutputStream.java
index 530eb383c..b54427066 100644
--- a/ratis-common/src/main/java/org/apache/ratis/util/AtomicFileOutputStream.java
+++ b/ratis-common/src/main/java/org/apache/ratis/util/AtomicFileOutputStream.java
@@ -17,6 +17,10 @@
  */
 package org.apache.ratis.util;
 
+import static java.nio.file.StandardOpenOption.CREATE;
+import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING;
+import static java.nio.file.StandardOpenOption.WRITE;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -24,7 +28,6 @@ import java.io.File;
 import java.io.FilterOutputStream;
 import java.io.IOException;
 import java.nio.file.StandardCopyOption;
-import java.nio.file.StandardOpenOption;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
@@ -60,7 +63,7 @@ public class AtomicFileOutputStream extends FilterOutputStream {
   }
 
   public AtomicFileOutputStream(File outFile, File tmpFile) throws IOException {
-    super(FileUtils.newOutputStreamForceAtClose(tmpFile, StandardOpenOption.CREATE, StandardOpenOption.WRITE));
+    super(FileUtils.newOutputStreamForceAtClose(tmpFile, CREATE, TRUNCATE_EXISTING, WRITE));
     this.outFile = outFile.getAbsoluteFile();
     this.tmpFile = tmpFile.getAbsoluteFile();
   }