[jira] [Created] (FLINK-22425) allowedLateness and sideOutput not having an effect

[Shang Yuanchun (Jira)]

Matthias created FLINK-22425:
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             Summary: allowedLateness and sideOutput not having an effect
                 Key: FLINK-22425
                 URL: https://issues.apache.org/jira/browse/FLINK-22425
             Project: Flink
          Issue Type: Bug
          Components: API / DataStream
            Reporter: Matthias


A user reported an issue [on the user ML|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/event-time-window-cannot-become-earlier-than-the-current-watermark-by-merging-td43128.html#a43141] where {{allowedLateness}} and {{sideOutput}} were applied to the Flink job, apparently, without having an effect on late events.

Adding dedicated filters solved it for him. See the [ML thread|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/event-time-window-cannot-become-earlier-than-the-current-watermark-by-merging-td43128.html#a43141] for code examples.

A similar issue was reported on [StackOverflow|https://stackoverflow.com/questions/57334257/the-end-timestamp-of-an-event-time-window-cannot-become-earlier-than-the-current].



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