Hi,
   你的 Flink 版本是哪个呢。从报错来看你在用 legacy planner,可以使用 blink planner 试试。

Best,
Hailong
在 2020-12-03 10:02:08,"18293503878" <18293503...@163.com> 写道:
>大家使用Flink SQL的tumble函数时,将结果表转换为流,报如下错误的异常吗
>Exception in thread "main" java.lang.NoSuchMethodError: 
>org.apache.flink.streaming.api.datastream.WindowedStream.aggregate(Lorg/apache/flink/api/common/functions/AggregateFunction;Lorg/apache/flink/streaming/api/functions/windowing/WindowFunction;Lorg/apache/flink/api/common/typeinfo/TypeInformation;Lorg/apache/flink/api/common/typeinfo/TypeInformation;Lorg/apache/flink/api/common/typeinfo/TypeInformation;)Lorg/apache/flink/streaming/api/datastream/SingleOutputStreamOperator;
>at 
>org.apache.flink.table.plan.nodes.datastream.DataStreamGroupWindowAggregate.translateToPlan(DataStreamGroupWindowAggregate.scala:214)

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