Github user dongjoon-hyun commented on the issue: https://github.com/apache/spark/pull/20368 Hi, All. This seems to break both `master` and `branch-2.3`. It might be correlated to the sister PR, [SPARK-23192](https://github.com/apache/spark/commit/613c290336e3826111164c24319f66774b1f65a3). Could you take a look? - https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-sbt-hadoop-2.7/4072/ - https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-sbt-hadoop-2.6/4124/ - https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-2.7/4402/ - https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-2.6/4454/
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