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https://issues.apache.org/jira/browse/FLINK-30885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dian Fu closed FLINK-30885.
---------------------------
Resolution: Fixed
Fixed in:
- master via 845d04d07d623e93a5bc3276eab45eed9edec264
- release-1.17 via cf448f05c5605f37dd170f8709f28d836feba5a6
- release-1.16 via b13a11c04c0fe96ee5a05878fbab99df7ec3478f
- release-1.15 via 1ac1e0d7dd078a85cb0f127aa75e161e03b2fd41
> Optional group pattern starts with non-optional looping pattern get wrong
> result on followed-by
> -----------------------------------------------------------------------------------------------
>
> Key: FLINK-30885
> URL: https://issues.apache.org/jira/browse/FLINK-30885
> Project: Flink
> Issue Type: Bug
> Components: Library / CEP
> Affects Versions: 1.16.1
> Reporter: Juntao Hu
> Priority: Major
>
> {code:java}
> Pattern.begin("A")
> .followedBy(
> Pattern.begin("B").oneOrMore().greedy().consecutive()
> .next("C"))
> .optional()
> .next("D"){code}
> This can match "a1 e1 d1", which is not the expected behavior.
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