org.hibernate.exception.GenericJDBCException: could not execute statement
problem
hibernate 添加數據報錯
reason
數據庫字段定義爲 not null
字段不能爲空
solution
將數據庫字段的屬性 not null 改爲allow null
例如:
CREATE TABLE `User` (
`id` int NOT NULL AUTO_INCREMENT,
`username` varchar(100) COLLATE utf8mb4_general_ci,
`age` int,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;