Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/20025#discussion_r162673886 --- Diff: sql/hive-thriftserver/src/main/java/org/apache/hive/service/cli/session/SessionManager.java --- @@ -23,11 +23,7 @@ import java.util.ArrayList; import java.util.Date; import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.Future; -import java.util.concurrent.LinkedBlockingQueue; -import java.util.concurrent.ThreadPoolExecutor; -import java.util.concurrent.TimeUnit; --- End diff -- revert this back.
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