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https://issues.apache.org/jira/browse/FLINK-28697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yun Tang updated FLINK-28697:
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Fix Version/s: (was: 1.15.1)
> MapDataSerializer doesn't declare a serialVersionUID
> ----------------------------------------------------
>
> Key: FLINK-28697
> URL: https://issues.apache.org/jira/browse/FLINK-28697
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.15.1
> Reporter: Josh Mahonin
> Priority: Major
> Labels: pull-request-available
>
> MapDataSerializer doesn't declare a serialVersionUID, which can manifest as a
> InvalidClassException when attempting to serialize with different JREs for
> compilation / runtime.
> {code:java}
> Caused by: java.io.InvalidClassException:
> org.apache.flink.table.runtime.typeutils.MapDataSerializer; local class
> incompatible: stream classdesc serialVersionUID = 2533002123505507000, local
> class serialVersionUID = 1622156938509929811 {code}
>
>
>
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