我在想数据库中保存对象时,遇到了这样的问题:
null id in com.weihui.auction.model.Item entry (don't flush the Session after an exception occurs)
org.hibernate.AssertionFailure:
null id in com.weihui.auction.model.Item entry (don't flush the Session after an exception occurs)
at org.hibernate.event.def.DefaultFlushEntityEventListener.checkId (DefaultFlushEntityEventListener.java:82)
at org.hibernate.event.def.DefaultFlushEntityEventListener.getValues(DefaultFlushEntityEventListener.java:190)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:147)
我的ID字段设置的是自增长:
<id name="itemId" column="itemid" type="integer">
<generator class="identity"/>
</id>,我不明白为什么会出这样的问题。
我怀疑和Hibernate的事物有关系,我在程序里使用Spring来管理Hibernate,DAO都继承了HibernateDaoSupport类,那按理说事物是有HibernateTemplate类来控制了。怎么会出这样的问题呢?请大家帮帮忙!
null id in com.weihui.auction.model.Item entry (don't flush the Session after an exception occurs)
org.hibernate.AssertionFailure:
null id in com.weihui.auction.model.Item entry (don't flush the Session after an exception occurs)
at org.hibernate.event.def.DefaultFlushEntityEventListener.checkId (DefaultFlushEntityEventListener.java:82)
at org.hibernate.event.def.DefaultFlushEntityEventListener.getValues(DefaultFlushEntityEventListener.java:190)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:147)
我的ID字段设置的是自增长:
<id name="itemId" column="itemid" type="integer">
<generator class="identity"/>
</id>,我不明白为什么会出这样的问题。
我怀疑和Hibernate的事物有关系,我在程序里使用Spring来管理Hibernate,DAO都继承了HibernateDaoSupport类,那按理说事物是有HibernateTemplate类来控制了。怎么会出这样的问题呢?请大家帮帮忙!
<column name="id" />
<generator class="identity" />
</id>
查事务配置 可能事务没有提交 数据库itemId设置自动增长?