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https://issues.apache.org/jira/browse/FLINK-31040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17693321#comment-17693321
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Nicholas Jiang commented on FLINK-31040:
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[~Juntao Hu], [~martijnvisser], thanks for the reporter. Looping pattern 
notFollowedBy at end indeed misses an element. Could you like to fix the 
missing?

> Looping pattern notFollowedBy at end missing an element
> -------------------------------------------------------
>
>                 Key: FLINK-31040
>                 URL: https://issues.apache.org/jira/browse/FLINK-31040
>             Project: Flink
>          Issue Type: Bug
>          Components: Library / CEP
>    Affects Versions: 1.17.0, 1.15.3, 1.16.1
>            Reporter: Juntao Hu
>            Priority: Major
>
> Pattern: begin("A", 
> SKIP_TO_NEXT).oneOrMore().consecutive().notFollowedBy("B").within(Time.milliseconds(3))
> Sequence: <a1, 1L> <a2, 2L> <a3, 3L> <a4, 4L> <c1, 10L> will produce results 
> [a1, a2], [a2, a3], [a3], which obviously should be [a1, a2, a3], [a2, a3, 
> a4], [a3, a4], [a4].



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