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https://issues.apache.org/jira/browse/FLINK-3513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15167373#comment-15167373
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ASF GitHub Bot commented on FLINK-3513:
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Github user aljoscha commented on the pull request:
https://github.com/apache/flink/pull/1712#issuecomment-188858495
:+1:
> Fix interplay of automatic Operator UID and Changing name of WindowOperator
> ---------------------------------------------------------------------------
>
> Key: FLINK-3513
> URL: https://issues.apache.org/jira/browse/FLINK-3513
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.0.0
> Reporter: Aljoscha Krettek
> Assignee: Ufuk Celebi
> Priority: Blocker
>
> WindowOperator can have a changing name because it has the TypeSerializer
> .toString() output in it's name. For some type serializers that don't
> implement toString() this means that the name changes.
> This means that savepoint restore does not work for the automatically
> generated UID.
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