Java“Jackson”JsonMappingException：无法反序列化FIELD_NAME令牌中的浮动实例

with this class:

与这个班级：

public class Products implements Serializable {
    private BigDecimal productId;
    private float priority;

    public float getPriority() {
        return priority;
    }

    public void setPriority(float priority) {
        this.priority = priority;
    }
}
public class Produc