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https://issues.apache.org/jira/browse/FLINK-20233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17235372#comment-17235372
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Jark Wu commented on FLINK-20233:
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I don't get this. Why we have to increase the serialVersionUID? What's the
incompatibility do you mean?
> DataGeneratorSource should increment serialVersionUID
> -----------------------------------------------------
>
> Key: FLINK-20233
> URL: https://issues.apache.org/jira/browse/FLINK-20233
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Reporter: Jingsong Lee
> Assignee: Junning Liang
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> In FLINK-18735 , enhanced DataGeneratorSource, the modification looks like
> incompatible.
> We should change serialVersionUID.
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