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via DataStax JIRA by Piotr Kołaczkowski, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at org.apache.spark.SparkEnv.(SparkEnv.scala:78)	at com.datastax.spark.connector.metrics.SparkEnvMock.(SparkEnvMock.scala:5)	at org.apache.spark.metrics.OutputMetricsUpdaterSpec$$anonfun$2.apply$mcV$sp(OutputMetricsUpdaterSpec.scala:27)	at org.apache.spark.metrics.OutputMetricsUpdaterSpec$$anonfun$2.apply(OutputMetricsUpdaterSpec.scala:20)	at org.apache.spark.metrics.OutputMetricsUpdaterSpec$$anonfun$2.apply(OutputMetricsUpdaterSpec.scala:20)	at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)	at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)	at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)	at org.scalatest.Transformer.apply(Transformer.scala:22)	at org.scalatest.Transformer.apply(Transformer.scala:20)	at org.scalatest.FlatSpecLike$$anon$1.apply(FlatSpecLike.scala:1647)	at org.scalatest.Suite$class.withFixture(Suite.scala:1122)	at org.scalatest.FlatSpec.withFixture(FlatSpec.scala:1683)	at org.scalatest.FlatSpecLike$class.invokeWithFixture$1(FlatSpecLike.scala:1644)	at org.scalatest.FlatSpecLike$$anonfun$runTest$1.apply(FlatSpecLike.scala:1656)	at org.scalatest.FlatSpecLike$$anonfun$runTest$1.apply(FlatSpecLike.scala:1656)	at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)	at org.scalatest.FlatSpecLike$class.runTest(FlatSpecLike.scala:1656)	at org.apache.spark.metrics.OutputMetricsUpdaterSpec.org$scalatest$BeforeAndAfter$$super$runTest(OutputMetricsUpdaterSpec.scala:12)	at org.scalatest.BeforeAndAfter$class.runTest(BeforeAndAfter.scala:200)	at org.apache.spark.metrics.OutputMetricsUpdaterSpec.runTest(OutputMetricsUpdaterSpec.scala:12)