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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 08:03:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15512540#comment-15512540
] 

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

GitHub user StefanRRichter opened a pull request:

    https://github.com/apache/flink/pull/2533

    [FLINK-4603] Fixes: KeyedStateBackend cannot restore user code classes

    This PR fixes [FLINK-4603] and introduces a test to protect better against future regression.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/StefanRRichter/flink backend-classloader-fix

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/2533.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2533
    
----
commit d6b8b0112c6a4cf3f2cbf5eb758599e15d796aab
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2016-09-21T12:55:58Z

    [FLINK-4603] KeyedStateBackend can restore user code classes

commit 78b2a4f048bd62e55471a384169304ca46bbbf60
Author: Stefan Richter <s.richter@data-artisans.com>
Date:   2016-09-21T15:56:08Z

    [FLINK-4603] Test case

----


> 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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