[jira] [Commented] (FLINK-6350) Flink: Windowing does not work with streams from collections and the local execution environment

["Stephan Ewen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-6350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978586#comment-15978586 ] 

Stephan Ewen commented on FLINK-6350:
-------------------------------------

This is expected, it is part of the unified batch/streaming abstraction: If you give the job a finite input, it finishes when the finite input is done.

To simulate unbounded input, use an iterator source or something that resembles an unbounded input.


> Flink: Windowing does not work with streams from collections and the local execution environment
> ------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-6350
>                 URL: https://issues.apache.org/jira/browse/FLINK-6350
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming
>    Affects Versions: 1.2.0
>            Reporter: Bowen Li
>            Assignee: Bowen Li
>             Fix For: 1.2.2
>
>
> When using events via the {{fromCollection}} method of {{StreamExecutionEnvironment}}, window timing is not supported. The time windows close immediately.  
> This is unfortunate because mocking events from collections and testing them locally is a powerful way to unit test stream processors.



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