The code passed to eventually never returned normally. Attempted 20 times over 10.006846778000002 seconds. Last failure message: Unexpected event thrown: SaveInstanceEnd(org.apache.spark.ml.util.DefaultParamsWriter@11406f5e,/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7-ubuntu-scala-2.11/mllib/target/tmp/spark-73d70c86-ecb2-4313-8487-03c30c35650e/pipeline/stages/0_writableStage).
org.scalatest.exceptions.TestFailedDueToTimeoutException: The code passed to eventually never returned normally. Attempted 20 times over 10.006846778000002 seconds. Last failure message: Unexpected event thrown: SaveInstanceEnd(org.apache.spark.ml.util.DefaultParamsWriter@11406f5e,/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7-ubuntu-scala-2.11/mllib/target/tmp/spark-73d70c86-ecb2-4313-8487-03c30c35650e/pipeline/stages/0_writableStage).
at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:421)
at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:439)
at org.apache.spark.ml.MLEventsSuite.eventually(MLEventsSuite.scala:39)
at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:308)
at org.apache.spark.ml.MLEventsSuite.eventually(MLEventsSuite.scala:39)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1.apply(MLEventsSuite.scala:190)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1.apply(MLEventsSuite.scala:165)
at org.apache.spark.SparkFunSuite.withTempDir(SparkFunSuite.scala:116)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply$mcV$sp(MLEventsSuite.scala:165)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply(MLEventsSuite.scala:161)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply(MLEventsSuite.scala:161)
at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at org.scalatest.FunSuiteLike$$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.ml.MLEventsSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(MLEventsSuite.scala:39)
at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:221)
at org.apache.spark.ml.MLEventsSuite.runTest(MLEventsSuite.scala:39)
at org.scalatest.FunSuiteLike$$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)
Cause: org.scalatest.exceptions.TestFailedException: Unexpected event thrown: SaveInstanceEnd(org.apache.spark.ml.util.DefaultParamsWriter@11406f5e,/home/jenkins/workspace/spark-master-test-maven-hadoop-2.7-ubuntu-scala-2.11/mllib/target/tmp/spark-73d70c86-ecb2-4313-8487-03c30c35650e/pipeline/stages/0_writableStage)
at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:528)
at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
at org.scalatest.Assertions$class.fail(Assertions.scala:1089)
at org.scalatest.FunSuite.fail(FunSuite.scala:1560)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$2$$anonfun$apply$mcV$sp$3.apply(MLEventsSuite.scala:202)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$2$$anonfun$apply$mcV$sp$3.apply(MLEventsSuite.scala:191)
at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$2.apply$mcV$sp(MLEventsSuite.scala:191)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$2.apply(MLEventsSuite.scala:191)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1$$anonfun$apply$2.apply(MLEventsSuite.scala:191)
at org.scalatest.concurrent.Eventually$class.makeAValiantAttempt$1(Eventually.scala:395)
at org.scalatest.concurrent.Eventually$class.tryTryAgain$1(Eventually.scala:409)
at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:439)
at org.apache.spark.ml.MLEventsSuite.eventually(MLEventsSuite.scala:39)
at org.scalatest.concurrent.Eventually$class.eventually(Eventually.scala:308)
at org.apache.spark.ml.MLEventsSuite.eventually(MLEventsSuite.scala:39)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1.apply(MLEventsSuite.scala:190)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1$$anonfun$apply$mcV$sp$1.apply(MLEventsSuite.scala:165)
at org.apache.spark.SparkFunSuite.withTempDir(SparkFunSuite.scala:116)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply$mcV$sp(MLEventsSuite.scala:165)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply(MLEventsSuite.scala:161)
at org.apache.spark.ml.MLEventsSuite$$anonfun$1.apply(MLEventsSuite.scala:161)
at org.scalatest.OutcomeOf$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$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
at org.apache.spark.ml.MLEventsSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(MLEventsSuite.scala:39)
at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:221)
at org.apache.spark.ml.MLEventsSuite.runTest(MLEventsSuite.scala:39)
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)