None.get

      java.util.NoSuchElementException: None.get
      at scala.None$.get(Option.scala:347)
      at scala.None$.get(Option.scala:345)
      at org.apache.spark.sql.execution.datasources.BasicWriteJobStatsTracker$.metrics(BasicWriteStatsTracker.scala:173)
      at org.apache.spark.sql.execution.command.DataWritingCommand$class.metrics(DataWritingCommand.scala:51)
      at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand.metrics$lzycompute(InsertIntoHadoopFsRelationCommand.scala:47)
      at org.apache.spark.sql.execution.datasources.InsertIntoHadoopFsRelationCommand.metrics(InsertIntoHadoopFsRelationCommand.scala:47)
      at org.apache.spark.sql.execution.command.DataWritingCommandExec.metrics$lzycompute(commands.scala:100)
      at org.apache.spark.sql.execution.command.DataWritingCommandExec.metrics(commands.scala:100)
      at org.apache.spark.sql.execution.SparkPlanInfo$.fromSparkPlan(SparkPlanInfo.scala:57)
      at org.apache.spark.sql.execution.SQLExecution$$anonfun$withNewExecutionId$1.apply(SQLExecution.scala:85)
      at org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:147)
      at org.apache.spark.sql.execution.SQLExecution$.withNewExecutionId(SQLExecution.scala:74)
      at org.apache.spark.sql.DataFrameWriter.runCommand(DataFrameWriter.scala:696)
      at org.apache.spark.sql.DataFrameWriter.saveToV1Source(DataFrameWriter.scala:304)
      at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:298)
      at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:229)
      at org.apache.spark.sql.DataFrameWriter.json(DataFrameWriter.scala:564)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$22$$anonfun$apply$mcV$sp$17.apply(StreamSuite.scala:634)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$22$$anonfun$apply$mcV$sp$17.apply(StreamSuite.scala:632)
      at org.apache.spark.sql.catalyst.plans.SQLHelper$class.withTempPath(SQLHelper.scala:62)
      at org.apache.spark.sql.QueryTest.withTempPath(QueryTest.scala:30)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$22.apply$mcV$sp(StreamSuite.scala:632)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$22.apply(StreamSuite.scala:632)
      at org.apache.spark.sql.streaming.StreamSuite$$anonfun$22.apply(StreamSuite.scala:632)
      at org.scalatest.OutcomeOf$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.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
      at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:104)
      at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
      at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
      at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
      at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
      at org.apache.spark.sql.streaming.StreamSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(StreamSuite.scala:49)
      at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:221)
      at org.apache.spark.sql.streaming.StreamSuite.runTest(StreamSuite.scala:49)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
      at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
      at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
      at scala.collection.immutable.List.foreach(List.scala:392)
      at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
      at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
      at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
      at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
      at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
      at org.scalatest.Suite$class.run(Suite.scala:1147)
      at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
      at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
      at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
      at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:233)
      at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:53)
      at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:213)
      at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:210)
      at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:53)
      at org.scalatest.Suite$class.callExecuteOnSuite$1(Suite.scala:1210)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1257)
      at org.scalatest.Suite$$anonfun$runNestedSuites$1.apply(Suite.scala:1255)
      at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
      at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
      at org.scalatest.Suite$class.runNestedSuites(Suite.scala:1255)
      at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:30)
      at org.scalatest.Suite$class.run(Suite.scala:1144)
      at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:30)
      at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:45)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1340)
      at org.scalatest.tools.Runner$$anonfun$doRunRunRunDaDoRunRun$1.apply(Runner.scala:1334)
      at scala.collection.immutable.List.foreach(List.scala:392)
      at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1334)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1011)
      at org.scalatest.tools.Runner$$anonfun$runOptionallyWithPassFailReporter$2.apply(Runner.scala:1010)
      at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1500)
      at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:1010)
      at org.scalatest.tools.Runner$.main(Runner.scala:827)
      at org.scalatest.tools.Runner.main(Runner.scala)