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Posted to issues@flink.apache.org by "Stefan Richter (JIRA)" <ji...@apache.org> on 2018/11/09 11:59:00 UTC

[jira] [Updated] (FLINK-10839) Fix implementation of PojoSerializer.duplicate() w.r.t. subclass serializer

     [ https://issues.apache.org/jira/browse/FLINK-10839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Richter updated FLINK-10839:
-----------------------------------
    Labels: pull-request-available  (was: )

> Fix implementation of PojoSerializer.duplicate() w.r.t. subclass serializer
> ---------------------------------------------------------------------------
>
>                 Key: FLINK-10839
>                 URL: https://issues.apache.org/jira/browse/FLINK-10839
>             Project: Flink
>          Issue Type: Bug
>          Components: Type Serialization System
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.6.3, 1.7.0
>
>
> The implementation of {{PojoSerializer.duplicate()}} currently ignores that subclassSerializerCache is a shared resource. We must always return a new instance of the serializer, even if all the nested field serializers are not stateful or else concurrency problems might occur if we have cached subclass serializers.



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