Test flake: org.apache.spark.sql.execution.datasources.json.JsonSuite

[ash211]

https://circleci.com/gh/palantir/spark/460#artifacts/containers/2

18987 [info] *** 1 SUITE ABORTED ***
18988 [error] Error: Total 3021, Failed 0, Errors 1, Passed 3020, Ignored 55, Canceled 1
18989 [error] Error during tests:
18990 [error]     org.apache.spark.sql.execution.datasources.json.JsonSuite

16438 [info] - SPARK-18352: Handle multi-line corrupt documents (FAILFAST) (1 second, 437 milliseconds)
16439 00:34:46.858 WARN org.apache.spark.scheduler.TaskSetManager: Lost task 1.0 in stage 318.0 (TID 624, localhost, executor driver): TaskKilled (killed intentionally)
16440 [info] Exception encountered when attempting to run a suite with class name: org.apache.spark.sql.execution.datasources.json.JsonSuite *** ABORTED *** (11 seconds, 356 milliseconds)
16441 [info]   java.lang.RuntimeException: There are 1 possibly leaked file streams.
16442 [info]   at org.apache.spark.DebugFilesystem$.assertNoOpenStreams(DebugFilesystem.scala:47)
16443 [info]   at org.apache.spark.sql.test.SharedSQLContext$class.afterEach(SharedSQLContext.scala:87)
16444 [info]   at org.apache.spark.sql.execution.datasources.json.JsonSuite.afterEach(JsonSuite.scala:45)
16445 [info]   at org.scalatest.BeforeAndAfterEach$class.afterEach(BeforeAndAfterEach.scala:205)
16446 [info]   at org.apache.spark.sql.execution.datasources.json.JsonSuite.afterEach(JsonSuite.scala:45)
16447 [info]   at org.scalatest.BeforeAndAfterEach$class.afterEach(BeforeAndAfterEach.scala:220)
16448 [info]   at org.apache.spark.sql.execution.datasources.json.JsonSuite.afterEach(JsonSuite.scala:45)
16449 [info]   at org.scalatest.BeforeAndAfterEach$class.runTest(BeforeAndAfterEach.scala:264)
16450 [info]   at org.apache.spark.sql.execution.datasources.json.JsonSuite.runTest(JsonSuite.scala:45)
16451 [info]   at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
16452 [info]   at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
16453 [info]   at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
16454 [info]   at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
16455 [info]   at scala.collection.immutable.List.foreach(List.scala:381)
16456 [info]   at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
16457 [info]   at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
16458 [info]   at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
16459 [info]   at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
16460 [info]   at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
16461 [info]   at org.scalatest.Suite$class.run(Suite.scala:1424)
16462 [info]   at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
16463 [info]   at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
16464 [info]   at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
16465 [info]   at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
16466 [info]   at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
16467 [info]   at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:31)
16468 [info]   at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:257)
16469 [info]   at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:256)
16470 [info]   at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:31)
16471 [info]   at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:357)
16472 [info]   at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:502)
16473 [info]   at sbt.ForkMain$Run$2.call(ForkMain.java:296)
16474 [info]   at sbt.ForkMain$Run$2.call(ForkMain.java:286)
16475 [info]   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
16476 [info]   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
16477 [info]   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
16478 [info]   at java.lang.Thread.run(Thread.java:745)

Looks like a file stream got leaked somewhere?