dongjoon-hyun commented on a change in pull request #941:
URL: https://github.com/apache/orc/pull/941#discussion_r736186655



##########
File path: java/tools/src/java/org/apache/orc/tools/FileDump.java
##########
@@ -583,8 +602,10 @@ private static void recoverFile(final Path corruptPath, 
final FileSystem fs,
 
       // Move side file to backup path
       Path sideFilePath = OrcAcidUtils.getSideFile(corruptPath);
-      Path backupSideFilePath = new Path(backupDataPath.getParent(), 
sideFilePath.getName());
-      moveFiles(fs, sideFilePath, backupSideFilePath);
+      if (fs.exists(sideFilePath)) {

Review comment:
       I guess you can copy file like the following.
   ```
   jshell> import java.nio.file.*;
   jshell> Files.copy(Paths.get("/tmp/a"), Paths.get("/tmp/b"))
   ```




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