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【Flink】FLink Assigned key must not be null

追梦人的自留地 2022-03-17 阅读 84
flink大数据big data

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1.场景1

1.1 概述

flink报错: Caused by: java.lang.NullPointerException: Assigned key must not be null!

具体如下

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原因 keyBy的字段不能为null

M.参考

Flink运行出现Assigned key must not be null

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