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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4603) KeyedStateBackend cannot restore user code classes
Date Thu, 22 Sep 2016 09:12:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15512702#comment-15512702
] 

ASF GitHub Bot commented on FLINK-4603:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2533
  
    Fix looks good.
    Better would probably be to not even have the user code in the checkpoint at all.
    Can we do that?


> KeyedStateBackend cannot restore user code classes
> --------------------------------------------------
>
>                 Key: FLINK-4603
>                 URL: https://issues.apache.org/jira/browse/FLINK-4603
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing
>    Affects Versions: 1.2.0
>            Reporter: Till Rohrmann
>            Assignee: Stefan Richter
>            Priority: Blocker
>             Fix For: 1.2.0
>
>
> A user reported that he cannot restore keyed state which contains user code classes.
I suspect that we don't use the user code class loader to deserialize the state.
> The solution seems to be to forward the user code class loader to the {{KeyedStateBackends}}
when restoring state.



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