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https://issues.apache.org/jira/browse/FLINK-25920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17856485#comment-17856485
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Fabian Paul commented on FLINK-25920:
-------------------------------------

[~asardaes] can you provide us with some more information and maybe add the 
stacktrace once the error happens the next time in your job?

The posted errors definitely look unrelated to unaligned checkpoint and might 
be a general bug.

> Allow receiving updates of CommittableSummary
> ---------------------------------------------
>
>                 Key: FLINK-25920
>                 URL: https://issues.apache.org/jira/browse/FLINK-25920
>             Project: Flink
>          Issue Type: Sub-task
>          Components: API / DataStream, Connectors / Common
>    Affects Versions: 1.15.0, 1.16.0
>            Reporter: Fabian Paul
>            Assignee: Fabian Paul
>            Priority: Major
>
> In the case of unaligned checkpoints, it might happen that the checkpoint 
> barrier overtakes the records and an empty committable summary is emitted 
> that needs to be correct at a later point when the records arrive.



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