aasha commented on a change in pull request #951: HIVE-22997 : Copy external 
table to target during Repl Dump operation
URL: https://github.com/apache/hive/pull/951#discussion_r394299142
 
 

 ##########
 File path: ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ReplDumpTask.java
 ##########
 @@ -78,22 +81,26 @@
 import java.io.IOException;
 import java.io.Serializable;
 import java.nio.charset.StandardCharsets;
+import java.util.Iterator;
 import java.util.Set;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Base64;
-import java.util.ArrayList;
+import java.util.LinkedList;
 import java.util.UUID;
+import java.util.ArrayList;
 import java.util.concurrent.TimeUnit;
 import static org.apache.hadoop.hive.ql.exec.repl.ReplExternalTables.Writer;
 
 public class ReplDumpTask extends Task<ReplDumpWork> implements Serializable {
+  private static final long serialVersionUID = 1L;
   private static final String dumpSchema = 
"dump_dir,last_repl_id#string,string";
   private static final String FUNCTION_METADATA_FILE_NAME = 
EximUtil.METADATA_NAME;
   private static final long SLEEP_TIME = 60000;
   Set<String> tablesForBootstrap = new HashSet<>();
+  private Path dumpAckFile;
 
 Review comment:
   This needn't be a member variable

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