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https://issues.apache.org/jira/browse/SPARK-20926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16039249#comment-16039249
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Marcelo Vanzin commented on SPARK-20926:
----------------------------------------
Turns out I didn't notice the PR was against 2.2 so it's there. Oh well, it's
an internal change only anyway.
> Exposure to Guava libraries by directly accessing tableRelationCache in
> SessionCatalog caused failures
> ------------------------------------------------------------------------------------------------------
>
> Key: SPARK-20926
> URL: https://issues.apache.org/jira/browse/SPARK-20926
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Reza Safi
> Assignee: Reza Safi
> Fix For: 2.2.1, 2.3.0
>
>
> Because of shading that we did for guava libraries, we see test failures
> whenever those components directly access tableRelationCache in
> SessionCatalog.
> This can happen in any component that shaded guava library. Failures looks
> like this:
> {noformat}
> java.lang.NoSuchMethodError:
> org.apache.spark.sql.catalyst.catalog.SessionCatalog.tableRelationCache()Lcom/google/common/cache/Cache;
> 01:25:14 at
> org.apache.spark.sql.hive.test.TestHiveSparkSession.reset(TestHive.scala:492)
> 01:25:14 at
> org.apache.spark.sql.hive.test.TestHiveContext.reset(TestHive.scala:138)
> 01:25:14 at
> org.apache.spark.sql.hive.test.TestHiveSingleton$class.afterAll(TestHiveSingleton.scala:32)
> 01:25:14 at
> org.apache.spark.sql.hive.StatisticsSuite.afterAll(StatisticsSuite.scala:34)
> 01:25:14 at
> org.scalatest.BeforeAndAfterAll$class.afterAll(BeforeAndAfterAll.scala:213)
> 01:25:14 at org.apache.spark.SparkFunSuite.afterAll(SparkFunSuite.scala:31)
> 01:25:14 at
> org.scalatest.BeforeAndAfterAll$$anonfun$run$1.apply(BeforeAndAfterAll.scala:280)
> 01:25:14 at
> org.scalatest.BeforeAndAfterAll$$anonfun$run$1.apply(BeforeAndAfterAll.scala:278)
> 01:25:14 at org.scalatest.CompositeStatus.whenCompleted(Status.scala:377)
> 01:25:14 at
> org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:278)
> {noformat}
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