Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/19631#discussion_r154403001 --- Diff: project/MimaExcludes.scala --- @@ -36,6 +36,12 @@ object MimaExcludes { // Exclude rules for 2.3.x lazy val v23excludes = v22excludes ++ Seq( + // SPARK-22372: Make cluster submission use SparkApplication. + ProblemFilters.exclude[DirectMissingMethodProblem]("org.apache.spark.deploy.SparkHadoopUtil.getSecretKeyFromUserCredentials"), --- End diff -- The change is 2.3 only. I've always questioned why `SparkHadoopUtil` is public in the first place. I'm not that worried about removing the functionality in this method because Spark apps don't really need to depend on it; it's easy to call the Hadoop API directly, and the API did nothing before except in YARN mode.
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