Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/4104#discussion_r23277933
--- 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 --
Hi all, I tested with a clean build, still Mima complains about it, seems
it is false positive.
```
[error] * method
reduceByWindow(org.apache.spark.api.java.function.Function2,org.apache.spark.streaming.Duration,org.apache.spark.streaming.Duration)org.apache.spark.streaming.api.java.JavaDStream
in trait org.apache.spark.streaming.api.java.JavaDStreamLike does not have a
correspondent in old version
[error] filter with:
ProblemFilters.exclude[MissingMethodProblem]("org.apache.spark.streaming.api.java.JavaDStreamLike.reduceByWindow")
```
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