2. it
  3. InvalidProgramException: Specifying keys via field positions is only valid for tuple data types

InvalidProgramException: Specifying keys via field positions is only valid for tuple data types

mac2025-08-28  10

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！

最新回复(0)