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https://issues.apache.org/jira/browse/FLINK-6856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17335356#comment-17335356
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Flink Jira Bot commented on FLINK-6856:
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This issue was marked "stale-assigned" 7 ago and has not received an update. I
have automatically removed the current assignee from the issue so others in the
community may pick it up. If you are still working on this ticket, please ask a
committer to reassign you and provide an update about your current status.
> Eagerly check if serializer config snapshots are deserializable when
> snapshotting
> ---------------------------------------------------------------------------------
>
> Key: FLINK-6856
> URL: https://issues.apache.org/jira/browse/FLINK-6856
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Affects Versions: 1.3.0, 1.4.2, 1.5.1, 1.6.0
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Critical
> Labels: stale-assigned
>
> Currently, if serializer config snapshots are not deserializable (for
> example, if the user did not correctly include the deserialization empty
> constructor, or the read / write methods are simply wrongly implemented),
> user's would only be able to find out this when restoring from the snapshot.
> We could eagerly do a check for this when snapshotting, and fail with a good
> message indicating that the config snapshot can not be deserialized.
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