Caused by: com. fasterxml. jackson. databind. exc.MismatchedInputException: Cannot construct instance o

Caused by: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot construct instance of `com.xxx.TransferLogVo` (although at least one Creator exists): no int/Int-argument constructor/factory method to deserialize from Number value (11111)

at [Source: UNKNOWN; line: -1, column: -1]

Error reason ： Has been serialized , Caused by re serialization

class  A   implements Serializable

class B extends A  implements Serializable

That would be a false report ：

Change to ：

class B extends A  that will do