diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala b/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala index 2ade36d0750275397fe5819e1e812f08b911dc82..362bf45d0356d03b54debd6355234326e7254458 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala @@ -816,16 +816,19 @@ object SparkSession { // No active nor global default session. Create a new one. val sparkContext = userSuppliedContext.getOrElse { // set app name if not given - if (!options.contains("spark.app.name")) { - options += "spark.app.name" -> java.util.UUID.randomUUID().toString - } - + val randomAppName = java.util.UUID.randomUUID().toString val sparkConf = new SparkConf() options.foreach { case (k, v) => sparkConf.set(k, v) } + if (!sparkConf.contains("spark.app.name")) { + sparkConf.setAppName(randomAppName) + } val sc = SparkContext.getOrCreate(sparkConf) // maybe this is an existing SparkContext, update its SparkConf which maybe used // by SparkSession options.foreach { case (k, v) => sc.conf.set(k, v) } + if (!sc.conf.contains("spark.app.name")) { + sc.conf.setAppName(randomAppName) + } sc } session = new SparkSession(sparkContext) diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionBuilderSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionBuilderSuite.scala index 418345b9ee8f265924934ff552d8a5a8cc871c94..386d13d07a95f268b84127c55251c6170d14e9c1 100644 --- a/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionBuilderSuite.scala +++ b/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionBuilderSuite.scala @@ -100,6 +100,7 @@ class SparkSessionBuilderSuite extends SparkFunSuite { assert(session.conf.get("key2") == "value2") assert(session.sparkContext.conf.get("key1") == "value1") assert(session.sparkContext.conf.get("key2") == "value2") + assert(session.sparkContext.conf.get("spark.app.name") == "test") session.stop() }