Код: Выделить всё
11:52:43,362 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - Field Row#fieldByName will be processed as GenericType. Please read the Flink documentation on "Data Types & Serialization" for details of the effect on performance and schema evolution.
11:52:43,363 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - class java.util.LinkedHashMap does not contain a getter for field accessOrder
11:52:43,363 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - class java.util.LinkedHashMap does not contain a setter for field accessOrder
11:52:43,363 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - Class class java.util.LinkedHashMap cannot be used as a POJO type because not all fields are valid POJO fields, and must be processed as GenericType. Please read the Flink documentation on "Data Types & Serialization" for details of the effect on performance and schema evolution.
11:52:43,363 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - Field Row#positionByName will be processed as GenericType. Please read the Flink documentation on "Data Types & Serialization" for details of the effect on performance and schema evolution.
11:52:43,363 INFO org.apache.flink.api.java.typeutils.TypeExtractor [] - class org.apache.flink.types.Row is missing a default constructor so it cannot be used as a POJO type and must be processed as GenericType. Please read the Flink documentation on "Data Types & Serialization" for details of the effect on performance and schema evolution.
Подробнее здесь: https://stackoverflow.com/questions/792 ... neric-type
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