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https://issues.apache.org/jira/browse/SPARK-5315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14282703#comment-14282703
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Jeff Nadler commented on SPARK-5315:
------------------------------------
Thanks Jerry! I was just about to file this and you're already done.
> reduceByWindow returns Scala DStream not JavaDStream
> ----------------------------------------------------
>
> Key: SPARK-5315
> URL: https://issues.apache.org/jira/browse/SPARK-5315
> Project: Spark
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.2.0
> Reporter: Saisai Shao
>
> {code}
> def reduceByWindow(
> reduceFunc: (T, T) => T,
> windowDuration: Duration,
> slideDuration: Duration
> ): DStream[T] = {
> dstream.reduceByWindow(reduceFunc, windowDuration, slideDuration)
> }
> {code}
> It should return JavaDStream not DStream for java code.
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