Github user zuotingbing commented on a diff in the pull request:
https://github.com/apache/spark/pull/20025#discussion_r163127098
--- 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 --
yes, thanks
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