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https://issues.apache.org/jira/browse/SAMZA-2057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17034858#comment-17034858
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Sanil Jain commented on SAMZA-2057:
-----------------------------------

[~xinyu] Thanks for the clarification, I now understand that it is desired to 
not emit the current window-pane if the window is not complete yet (according 
to wall clock time)

 

> Window operator on encountering end of stream does not emit the last window 
> pane
> --------------------------------------------------------------------------------
>
>                 Key: SAMZA-2057
>                 URL: https://issues.apache.org/jira/browse/SAMZA-2057
>             Project: Samza
>          Issue Type: Bug
>            Reporter: Sanil Jain
>            Priority: Minor
>
> On encountering EndOfStreamMessage a shutdown sequence is triggered, there is 
> an existing bug in High-Level Api where the messages in the operators are not 
> flushed on end of the stream to the next operators. This results in missing 
> the messages while testing the Samza code, which makes assertions fail. A 
> simple way to reproduce is any writing a Test using Test Framework for High 
> Level Api job using Session Window or KeyedTumblingWindows



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