HeartSaVioR commented on pull request #28859:
URL: https://github.com/apache/spark/pull/28859#issuecomment-654200570


   ```
    org.apache.spark.sql.hive.thriftserver.HiveSessionImplSuite.(It is not a 
test it is a sbt.testing.SuiteSelector)
    Error Details
   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$AppClassLoader@2d6d8735'   created class : 
'org.mockito.codegen.SessionManager$MockitoMock$930162926', loaded by 
classloader : 
'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@11e68869'   proxy 
instance class : 'org.mockito.codegen.SessionManager$MockitoMock$930162926', 
loaded by classloader : 
'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@11e68869'   instance 
creation by : ObjenesisInstantiator  You might experience classloading issues, 
please ask the mockito mailing-list. 
    Stack Trace
   sbt.ForkMain$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$AppClassLoader@2d6d8735'
     created class : 
'org.mockito.codegen.SessionManager$MockitoMock$930162926', loaded by 
classloader : 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@11e68869'
     proxy instance class : 
'org.mockito.codegen.SessionManager$MockitoMock$930162926', loaded by 
classloader : 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@11e68869'
     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$930162926 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
   ```
   
   This seems to be seen quite frequently. Probably worth to file an issue for 
this.


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