Github user dongjoon-hyun commented on the issue: https://github.com/apache/spark/pull/18953 The Jenkins fails twice with different R test suite.s Those errors are irrelevant. - test_mllib_tree.R (Test build #80875) ``` 1. Error: spark.gbt (@test_mllib_tree.R#120) ----------------------------------- java.lang.IllegalArgumentException: requirement failed: The input column stridx_f91a4b086385 should have at least two distinct values. ``` - test_mllib_classification.R (Test build #80877) ``` 1. Error: spark.svmLinear (@test_mllib_classification.R#80) -------------------- java.lang.IllegalArgumentException: requirement failed: LinearSVC only supports binary classification. 1 classes detected in linearsvc_ec743395c7af__labelCol ```
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