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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2021/01/26 13:10:00 UTC

[jira] [Commented] (FLINK-21138) KvStateServerHandler is not invoked with user code classloader

    [ https://issues.apache.org/jira/browse/FLINK-21138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17272095#comment-17272095 ] 

Till Rohrmann commented on FLINK-21138:
---------------------------------------

Thanks for reporting this issue [~mproch]. Could you give a short example illustrating the problem? Maybe you have the problematic job already in some repository.

> KvStateServerHandler is not invoked with user code classloader
> --------------------------------------------------------------
>
>                 Key: FLINK-21138
>                 URL: https://issues.apache.org/jira/browse/FLINK-21138
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Queryable State
>    Affects Versions: 1.11.2
>            Reporter: Maciej Prochniak
>            Priority: Major
>
> When using e.g. custom Kryo serializers user code classloader has to be set as context classloader during invocation of methods such as TypeSerializer.duplicat()
> KvStateServerHandler does not do this, which leads to exceptions like ClassNotFound etc.



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