javax.persistence.PersistenceException: org.hibernate.PersistentObjectException: detached entity passed to persist: com.qingmu.Customer at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.j…

javax.persistence.PersistenceException: org.hibernate.PersistentObjectException: detached entity passed to persist: 再用jpa+spring+struts2开发的是时候遇到一个问题(采用了注解的方式,xml配置的道理是一样的),当我在注册用户的时候,注册第一个用户没有问题,但注册第二个用户开始就会抛出一个异常: javax.persistence.PersistenceExcept…

再用jpa+spring+struts2开发的是时候遇到一个问题(采用了注解的方式,xml配置的道理是一样的),当我在注册用户的时候,注册第一个用户没有问题,但注册第二个用户开始就会抛出一个异常: javax.persistence.PersistenceException: org.hibernate.PersistentObjectException: detached entity passed to persist: com.dalton.domain.User 原因是第二次插入用户的时…

jpa遇到的 org.hibernate.PersistentObjectException: detached entity passed to persist异常 发生这个原因是因为我们已经在实体类用JPA注解指定了主键的生成策略主键就不能设置了,一旦不为空或者0就被认为是已经保存到了数据库中,一旦调用persist()方法就会抛出上面的异常 把0去掉,如下图:…

简单地来看,将一个游离的对象要被持久化(save)时报错. 我们知道要持久化对象时候,通常Hibernate会根据ID生成策略自动生成ID值,但是这个对象ID已经有值,所有抛错.这个错误会出现在配置如下一对多@OneToMany的关联关系等出现. // 部门拥有的车辆 @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "assignedDept") @JsonIgnore private L…

1.错误信息 org.springframework.dao.InvalidDataAccessApiUsageException: detached entity passed to persist: sys.entity.Role; nested exception is org.hibernate.PersistentObjectException: detached entity passed to persist: sys.entity.Role at org.springframew…

问题现象 查看 [root@cmbigdata1 cloudera-scm-server]# pwd /var/log/cloudera-scm-server [root@cmbigdata1 cloudera-scm-server]# cat cloudera-scm-server.log 是如下的问题: Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException…

Could not open JPA EntityManager for transaction; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: Cannot open connection 检查一下 数据源 配置, 看你的异常应该是 使用 JTA 事物 ,容器没有实例化 EntityManager <?xml version="…

Java jpa调用存储过程,抛出异常如下: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: ResultSet is from UPDATE. No Data. at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1361) at org.hiberna…

javax.persistence.PersistenceException: Unable to build entity manager factory at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:66) at javax.persistence.Persistence.createEntityManagerFact…