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https://issues.apache.org/jira/browse/SPARK-5607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308493#comment-14308493
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Patrick Wendell commented on SPARK-5607:
----------------------------------------
I've reverted my patch since it may have caused more harm than good.
> NullPointerException in objenesis
> ---------------------------------
>
> Key: SPARK-5607
> URL: https://issues.apache.org/jira/browse/SPARK-5607
> Project: Spark
> Issue Type: Bug
> Reporter: Reynold Xin
> Assignee: Patrick Wendell
> Fix For: 1.3.0
>
>
> Tests are sometimes failing with the following exception.
> The problem might be that Kryo is using a different version of objenesis from
> Mockito.
> {code}
> [info] - Process succeeds instantly *** FAILED *** (107 milliseconds)
> [info] java.lang.NullPointerException:
> [info] at
> org.objenesis.strategy.StdInstantiatorStrategy.newInstantiatorOf(StdInstantiatorStrategy.java:52)
> [info] at
> org.objenesis.ObjenesisBase.getInstantiatorOf(ObjenesisBase.java:90)
> [info] at org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:73)
> [info] at
> org.mockito.internal.creation.jmock.ClassImposterizer.createProxy(ClassImposterizer.java:111)
> [info] at
> org.mockito.internal.creation.jmock.ClassImposterizer.imposterise(ClassImposterizer.java:51)
> [info] at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:52)
> [info] at org.mockito.internal.MockitoCore.mock(MockitoCore.java:41)
> [info] at org.mockito.Mockito.mock(Mockito.java:1014)
> [info] at org.mockito.Mockito.mock(Mockito.java:909)
> [info] at
> org.apache.spark.deploy.worker.DriverRunnerTest$$anonfun$1.apply$mcV$sp(DriverRunnerTest.scala:50)
> [info] at
> org.apache.spark.deploy.worker.DriverRunnerTest$$anonfun$1.apply(DriverRunnerTest.scala:47)
> [info] at
> org.apache.spark.deploy.worker.DriverRunnerTest$$anonfun$1.apply(DriverRunnerTest.scala:47)
> [info] at
> org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala:22)
> [info] at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
> [info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
> [info] at org.scalatest.Transformer.apply(Transformer.scala:22)
> [info] at org.scalatest.Transformer.apply(Transformer.scala:20)
> [info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:166)
> [info] at org.scalatest.Suite$class.withFixture(Suite.scala:1122)
> [info] at org.scalatest.FunSuite.withFixture(FunSuite.scala:1555)
> [info] at
> org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:163)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:175)
> [info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
> [info] at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:175)
> [info] at org.scalatest.FunSuite.runTest(FunSuite.scala:1555)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:208)
> [info] at
> org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:413)
> [info] at
> org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:401)
> [info] at scala.collection.immutable.List.foreach(List.scala:318)
> [info] at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
> [info] at
> org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:396)
> [info] at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:483)
> [info] at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:208)
> [info] at org.scalatest.FunSuite.runTests(FunSuite.scala:1555)
> [info] at org.scalatest.Suite$class.run(Suite.scala:1424)
> [info] at
> org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1555)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
> [info] at
> org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:212)
> [info] at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
> [info] at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
> [info] at org.scalatest.FunSuite.run(FunSuite.scala:1555)
> [info] at
> org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:462)
> [info] at
> org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:671)
> [info] at sbt.ForkMain$Run$2.call(ForkMain.java:294)
> [info] at sbt.ForkMain$Run$2.call(ForkMain.java:284)
> [info] at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> [info] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [info] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [info] at java.lang.Thread.run(Thread.java:745)
> {code}
> More information:
> Kryo depends on objenesis 1.2, and line 52 is getting some VM_VERSION, which
> is a static field from the super class.
> Mockito depends on objenesis 2.1.
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