Github user zuotingbing commented on the issue: https://github.com/apache/spark/pull/20025 @liufengdb I think the class `SessionManager.java` is merged from Hive originally, and in Spark we redesigned it by adding `SparkSQLSessionManager.scala` with no affect to `SessionManager.java` : `val sparkSqlSessionManager = new SparkSQLSessionManager(hiveServer, sqlContext) setSuperField(this, "sessionManager", sparkSqlSessionManager)`
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