hibernate begintransaction throwing exception

最新推荐文章于 2021-12-22 18:27:12 发布

转载最新推荐文章于 2021-12-22 18:27:12 发布 · 375 阅读

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本文探讨了Hibernate框架中关于事务管理的问题，特别是在同一个会话中多次调用beginTransaction()导致的异常，并提出了正确的解决方案。

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I am a newbie to hibernate. Please let me know what is wrong in the below code ?

f1()

{
   try {
       s = HibernateUtils.getSessionFactory().getCurrentSession();
       tx = s.beginTransaction();
       // do some task
       tx.commit();
   } catch(Exception e) {
       tx.rollback();
       throw e;
   }
}

f2()

{
    try {
       s = HibernateUtils.getSessionFactory().getCurrentSession();
       tx = s.beginTransaction();
       f1();
       tx.commit();
   } catch(Exception e) {
       tx.rollback();
   }
}

The begin transaction statement in f1() throws exception. Thanks in advance.

You can’t have more then one transaction (not session) active at same time, your method is already under transaction and you don’t need to create a new one; remove s.beginTransaction();

OR can pass same transaction, or else create a new one.

Concept here is - getCurrentSession() return same and you are calling beginTransaction() twice.