最后一个实战消费卡夫卡的有成功的吗,运行无法成功
报错信息如下
org.apache.flink.table.api.ValidationException: Type 'java.lang.Object' cannot be used in a grouping operation because it does not implement a proper hashCode() method.
报错信息如下
org.apache.flink.table.api.ValidationException: Type 'java.lang.Object' cannot be used in a grouping operation because it does not implement a proper hashCode() method.
2022-12-12
举报