[jira] [Updated] (FLINK-15980) The notFollowedBy in the end of GroupPattern may be ignored

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-15980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-15980:
-----------------------------------
    Labels: auto-deprioritized-major auto-unassigned pull-request-available stale-minor  (was: auto-deprioritized-major auto-unassigned pull-request-available)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> The notFollowedBy in the end of GroupPattern may be ignored
> -----------------------------------------------------------
>
>                 Key: FLINK-15980
>                 URL: https://issues.apache.org/jira/browse/FLINK-15980
>             Project: Flink
>          Issue Type: Bug
>          Components: Library / CEP
>    Affects Versions: 1.9.0
>            Reporter: shuai.xu
>            Priority: Minor
>              Labels: auto-deprioritized-major, auto-unassigned, pull-request-available, stale-minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> If we write a Pattern like this:
> Pattern group = Pattern.begin('A').notFollowedBy("B");
> Pattern pattern = Pattern.begin(group).followedBy("C");
> Let notFollowedBy as the last part of a GroupPattern.
> This pattern can be compile normally, but the notFollowedBy("B") doesn't work in fact.



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