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https://issues.apache.org/jira/browse/FLINK-14648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16977061#comment-16977061
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Ruiliang Li commented on FLINK-14648:
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Hi, [~docete],
It's just a function that avg. This exception does not occur when the degree of
parallelism is small. This exception occurs when the degree of parallelism is
set to a large value (such as 60).
> When using udaf, the startup task has a “Cannot determine simple type name
> 'com' ” exception
> --------------------------------------------------------------------------------------------
>
> Key: FLINK-14648
> URL: https://issues.apache.org/jira/browse/FLINK-14648
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.7.2
> Reporter: Ruiliang Li
> Priority: Critical
> Attachments: image-2019-11-07-14-58-17-172.png
>
>
> My flink streaming job use a udaf, set 60 parallelisms，submit job in yarn
> cluster mode，and then happens every time I start.
> !image-2019-11-07-14-58-17-172.png!
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