[GitHub] [spark] juliuszsompolski commented on pull request #28912: [SPARK-32057][SQL] ExecuteStatement: cancel and close should not transiently ERROR

[GitBox <gi...@apache.org>]

juliuszsompolski commented on pull request #28912:
URL: https://github.com/apache/spark/pull/28912#issuecomment-650317130


   ```
   sbt.ForkMain$ForkError: org.mockito.exceptions.base.MockitoException: 
   ClassCastException occurred while creating the mockito mock :
     class to mock : 'org.apache.hive.service.cli.session.HiveSession', loaded by classloader : 'sun.misc.Launcher$AppClassLoader@77f03bb1'
     created class : 'org.mockito.codegen.HiveSession$MockitoMock$1654160678', loaded by classloader : 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@55c6518c'
     proxy instance class : 'org.mockito.codegen.HiveSession$MockitoMock$1654160678', loaded by classloader : 'net.bytebuddy.dynamic.loading.MultipleParentClassLoader@55c6518c'
     instance creation by : ObjenesisInstantiator
   
   You might experience classloading issues, please ask the mockito mailing-list.
   ```
   @gatorsmile @maropu @HyukjinKwon @yaooqinn  I have seen a lot of such issues with mockito in Spark tests lately... Do you know if there is some underlying build/test infra issue that causes all of these?


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