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From "Aljoscha Krettek (JIRA)" <>
Subject [jira] [Commented] (BEAM-2571) Flink ValidatesRunner failing CombineTest.testSlidingWindowsCombineWithContext
Date Wed, 12 Jul 2017 11:42:00 GMT


Aljoscha Krettek commented on BEAM-2571:

I think it turns out that the fix for this is to change this line:

timerService.advanceWatermark(actualInputWatermark - 1);

I think there could be some other issues, though, and I also want to make sure to add some
tests around the watermark contract and how the Flink Operator observes it.

> Flink ValidatesRunner failing CombineTest.testSlidingWindowsCombineWithContext
> ------------------------------------------------------------------------------
>                 Key: BEAM-2571
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Kenneth Knowles
>            Assignee: Aljoscha Krettek
>             Fix For: 2.1.0
> This appears to have been caused by which fixes
a couple errors in how trigger timers were processed / final panes labeled.
> I am investigating, considering roll back vs forward fix. Since it is an esoteric use
case where I would advise users to use a stateful DoFn instead, I think the bug fixed probably
outweighs the bug introduced. I would like to fix for 2.1.0 but will report back soon.

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