spring data jpa 2.3.0.M2 新增问题

Question

Hibernate: select next_val as id_val from hibernate_sequence for update
Hibernate: update hibernate_sequence set next_val= ? where next_val=?
Hibernate: insert into tmenu (ICONCLS, TEXT, PID, URL, id) values (?, ?, ?, ?, ?)
2020-02-18 15:38:45.135  WARN 75736 --- [o-12020-exec-97] o.h.engine.jdbc.spi.SqlExceptionHelper   : SQL Error: 1062, SQLState: 23000
2020-02-18 15:38:45.135 ERROR 75736 --- [o-12020-exec-97] o.h.engine.jdbc.spi.SqlExceptionHelper   : Duplicate entry '2' for key 'tmenu.PRIMARY'
org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [tmenu.PRIMARY]; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:298)
    at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:255)

 

谁遇到过这样的问题

Answer 1

这是主键重复啊。

Answer 2

@Id @GeneratedValue(strategy = GenerationType.IDENTITY)

public Integer getId() {

return this.id;

}

问题出在这 我之前没有写  (strategy = GenerationType.IDENTITY)  只写了@GeneratedValue