soarez commented on code in PR #15289:
URL: https://github.com/apache/kafka/pull/15289#discussion_r1489605994


##########
core/src/test/scala/unit/kafka/utils/TestUtils.scala:
##########
@@ -137,7 +137,18 @@ object TestUtils extends Logging {
     val parentFile = new File(parent)
     parentFile.mkdirs()
 
-    JTestUtils.tempDirectory(parentFile.toPath, null)
+    val result = JTestUtils.tempDirectory(parentFile.toPath, null)
+
+    parentFile.deleteOnExit()
+    Exit.addShutdownHook("delete-temp-log-dir-on-exit", {
+      try {
+        Utils.delete(parentFile)

Review Comment:
   Do we need both `parentFile.deleteOnExit()` and `Utils.delete(parentFile)` 
on the shutdown hook? 



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