InvalidProgramException: Specifying keys via field positions is only valid for tuple data types
Run Flink实例时,出现如下错误:
原因:Java程序引用了Scala的Tuple2类
遇到的坑,记录下来!
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个人网址:http://wxson.cn(待开通)
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个人网址:http://wxson.cn(待开通)
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