dongjoon-hyun commented on a change in pull request #33101:
URL: https://github.com/apache/spark/pull/33101#discussion_r659365220



##########
File path: core/src/main/scala/org/apache/spark/util/Utils.scala
##########
@@ -310,15 +306,17 @@ private[spark] object Utils extends Logging {
     while (dir == null) {
       attempts += 1
       if (attempts > maxAttempts) {
-        throw new IOException("Failed to create a temp directory (under " + 
root + ") after " +
-          maxAttempts + " attempts!")
+        throw new IOException(s"Failed to create a temp directory (under 
$root) after " +
+           s"$maxAttempts attempts!")
       }
       try {
         dir = new File(root, namePrefix + "-" + UUID.randomUUID.toString)
-        if (dir.exists() || !dir.mkdirs()) {
-          dir = null
-        }
-      } catch { case e: SecurityException => dir = null; }
+        // SPARK-35907 Instead of File#mkdirs, Files#createDirectories is 
expected.

Review comment:
       ditto.




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