Github user yhuai commented on a diff in the pull request: https://github.com/apache/spark/pull/13310#discussion_r64675651 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala --- @@ -103,7 +103,11 @@ class SparkSession private( * A wrapped version of this session in the form of a [[SQLContext]], for backward compatibility. */ @transient - private[sql] val sqlContext: SQLContext = new SQLContext(this) + private[sql] val sqlContext: SQLContext = existingSharedState match { + // If we have an existing SharedState, we should not create a root SQLContext at here. + case Some(sharedState) => new SQLContext(this, false) + case None => new SQLContext(this, true) --- End diff -- I am removing isRootContext flag.
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