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https://issues.apache.org/jira/browse/SPARK-5626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308482#comment-14308482
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Patrick Wendell commented on SPARK-5626:
----------------------------------------
[~joshrosen] I may have caused this by merging SPARK-5607
> Spurious test failures due to NullPointerException in EasyMock test code
> ------------------------------------------------------------------------
>
> Key: SPARK-5626
> URL: https://issues.apache.org/jira/browse/SPARK-5626
> Project: Spark
> Issue Type: Bug
> Affects Versions: 1.3.0
> Reporter: Josh Rosen
> Labels: flaky-test
> Attachments: consoleText.txt
>
>
> I've seen a few cases where a test failure will trigger a cascade of spurious
> failures when instantiating test suites that use EasyMock. Here's a sample
> symptom:
> {code}
> [info] CacheManagerSuite:
> [info] Exception encountered when attempting to run a suite with class name:
> org.apache.spark.CacheManagerSuite *** ABORTED *** (137 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.objenesis.ObjenesisHelper.newInstance(ObjenesisHelper.java:43)
> [info] at
> org.easymock.internal.ObjenesisClassInstantiator.newInstance(ObjenesisClassInstantiator.java:26)
> [info] at
> org.easymock.internal.ClassProxyFactory.createProxy(ClassProxyFactory.java:219)
> [info] at
> org.easymock.internal.MocksControl.createMock(MocksControl.java:59)
> [info] at org.easymock.EasyMock.createMock(EasyMock.java:103)
> [info] at
> org.scalatest.mock.EasyMockSugar$class.mock(EasyMockSugar.scala:267)
> [info] at
> org.apache.spark.CacheManagerSuite.mock(CacheManagerSuite.scala:28)
> [info] at
> org.apache.spark.CacheManagerSuite$$anonfun$1.apply$mcV$sp(CacheManagerSuite.scala:40)
> [info] at
> org.apache.spark.CacheManagerSuite$$anonfun$1.apply(CacheManagerSuite.scala:38)
> [info] at
> org.apache.spark.CacheManagerSuite$$anonfun$1.apply(CacheManagerSuite.scala:38)
> [info] at
> org.scalatest.BeforeAndAfter$class.runTest(BeforeAndAfter.scala:195)
> [info] at
> org.apache.spark.CacheManagerSuite.runTest(CacheManagerSuite.scala:28)
> [info] at
> org.scalatest.FunSuiteLike$$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$$anonfun$run$1.apply(FunSuiteLike.scala:212)
> [info] at org.scalatest.SuperEngine.runImpl(Engine.scala:545)
> [info] at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:212)
> [info] at
> org.apache.spark.CacheManagerSuite.org$scalatest$BeforeAndAfter$$super$run(CacheManagerSuite.scala:28)
> [info] at org.scalatest.BeforeAndAfter$class.run(BeforeAndAfter.scala:241)
> [info] at org.apache.spark.CacheManagerSuite.run(CacheManagerSuite.scala:28)
> [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}
> This is from
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/26852/consoleFull.
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