dongjoon-hyun commented on code in PR #38084:
URL: https://github.com/apache/spark/pull/38084#discussion_r989710916
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core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala:
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@@ -18,9 +18,11 @@
package org.apache.spark.deploy
import java.io.{ByteArrayInputStream, ByteArrayOutputStream, DataInputStream,
DataOutputStream, File, IOException}
+import java.net.{InetAddress, UnknownHostException}
import java.security.PrivilegedExceptionAction
import java.text.DateFormat
import java.util.{Arrays, Date, Locale}
+import java.util
Review Comment:
```scala
-import java.util.{Arrays, Date, Locale}
-import java.util
+import java.util.{Arrays, Date, Locale, Map => JMap}
```
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