Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4104#discussion_r23365454
--- Diff: project/MimaExcludes.scala ---
@@ -82,6 +82,10 @@ object MimaExcludes {
// SPARK-5166 Spark SQL API stabilization
ProblemFilters.exclude[IncompatibleMethTypeProblem]("org.apache.spark.ml.Transformer.transform"),
ProblemFilters.exclude[IncompatibleMethTypeProblem]("org.apache.spark.ml.Estimator.fit")
+ ) ++ Seq(
+ // SPARK-5315 Spark Streaming Java API returns Scala DStream
+ ProblemFilters.exclude[MissingMethodProblem](
+
"org.apache.spark.streaming.api.java.JavaDStreamLike.reduceByWindow")
--- End diff --
Ah right, my understanding of this issue never fails to fail. In a recent
PR, I think the decision was to give up on supporting user code extending
`JavaRDDLike` so indeed this is OK.
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