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https://issues.apache.org/jira/browse/FLINK-6714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16025751#comment-16025751
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ASF GitHub Bot commented on FLINK-6714:
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Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/3987
Thanks for the review @rmetzger @EronWright.
I'll address Eron's comment while merging.
> Operator state backend should set user classloader as context classloader
> when snapshotting
> -------------------------------------------------------------------------------------------
>
> Key: FLINK-6714
> URL: https://issues.apache.org/jira/browse/FLINK-6714
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Tzu-Li (Gordon) Tai
> Assignee: Tzu-Li (Gordon) Tai
> Priority: Blocker
>
> Now that the operator state backend creates a deep copy of the state during
> the synchronous part of async checkpoints, it needs to set the user
> classloader as the thread context classloader, otherwise serializers that
> uses serialization for copying will use the wrong classloader when
> deserializing the copy.
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