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https://issues.apache.org/jira/browse/SPARK-31831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17185211#comment-17185211
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Apache Spark commented on SPARK-31831:
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User 'alismess-db' has created a pull request for this issue:
https://github.com/apache/spark/pull/29549
> Flaky test: org.apache.spark.sql.hive.thriftserver.HiveSessionImplSuite.(It
> is not a test it is a sbt.testing.SuiteSelector)
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-31831
> URL: https://issues.apache.org/jira/browse/SPARK-31831
> Project: Spark
> Issue Type: Bug
> Components: SQL, Tests
> Affects Versions: 3.1.0
> Reporter: Jungtaek Lim
> Assignee: Frank Yin
> Priority: Major
> Fix For: 3.1.0
>
>
> I've seen the failures two times (not in a row but closely) which seems to
> require investigation.
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/123147/testReport
> https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/123150/testReport
> {noformat}
> org.mockito.exceptions.base.MockitoException: ClassCastException occurred
> while creating the mockito mock : class to mock :
> 'org.apache.hive.service.cli.session.SessionManager', loaded by classloader :
> 'sun.misc.Launcher$AppClassLoader@483bf400' created class :
> 'org.mockito.codegen.SessionManager$MockitoMock$1696557705', loaded by
> classloader :
> 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@47ecf2c6' proxy
> instance class : 'org.mockito.codegen.SessionManager$MockitoMock$1696557705',
> loaded by classloader :
> 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@47ecf2c6' instance
> creation by : ObjenesisInstantiator You might experience classloading
> issues, please ask the mockito mailing-list.
> Stack Trace
> sbt.ForkMain$ForkError: org.mockito.exceptions.base.MockitoException:
> ClassCastException occurred while creating the mockito mock :
> class to mock : 'org.apache.hive.service.cli.session.SessionManager',
> loaded by classloader : 'sun.misc.Launcher$AppClassLoader@483bf400'
> created class :
> 'org.mockito.codegen.SessionManager$MockitoMock$1696557705', loaded by
> classloader :
> 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@47ecf2c6'
> proxy instance class :
> 'org.mockito.codegen.SessionManager$MockitoMock$1696557705', loaded by
> classloader :
> 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@47ecf2c6'
> instance creation by : ObjenesisInstantiator
> You might experience classloading issues, please ask the mockito mailing-list.
> at
> org.apache.spark.sql.hive.thriftserver.HiveSessionImplSuite.beforeAll(HiveSessionImplSuite.scala:44)
> at
> org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:212)
> at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
> at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
> at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:59)
> at
> org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:317)
> at
> org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:510)
> at sbt.ForkMain$Run$2.call(ForkMain.java:296)
> at sbt.ForkMain$Run$2.call(ForkMain.java:286)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: sbt.ForkMain$ForkError: java.lang.ClassCastException:
> org.mockito.codegen.SessionManager$MockitoMock$1696557705 cannot be cast to
> org.mockito.internal.creation.bytebuddy.MockAccess
> at
> org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker.createMock(SubclassByteBuddyMockMaker.java:48)
> at
> org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker.createMock(ByteBuddyMockMaker.java:25)
> at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:35)
> at org.mockito.internal.MockitoCore.mock(MockitoCore.java:63)
> at org.mockito.Mockito.mock(Mockito.java:1908)
> at org.mockito.Mockito.mock(Mockito.java:1817)
> ... 13 more
> {noformat}
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