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https://issues.apache.org/jira/browse/FLINK-21577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai closed FLINK-21577.
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Resolution: Fixed
flink-statefun/master: 76858f526b58b13fe178422006c5220e65c93741
> SimpleType.simpleTypeFrom(...) complains with "Collection is empty"
> -------------------------------------------------------------------
>
> Key: FLINK-21577
> URL: https://issues.apache.org/jira/browse/FLINK-21577
> Project: Flink
> Issue Type: Bug
> Components: Stateful Functions
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Priority: Blocker
> Labels: pull-request-available
> Fix For: statefun-3.0.0
>
>
> This is caused by the {{EnumSet.copyOf}} method call at:
> https://github.com/apache/flink-statefun/blob/master/statefun-sdk-java/src/main/java/org/apache/flink/statefun/sdk/java/types/SimpleType.java#L57
> That expects the collection to be non-empty.
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