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事务未在hibernate中成功启动_Hibernate_Jpa - Fatal编程技术网

事务未在hibernate中成功启动

事务未在hibernate中成功启动,hibernate,jpa,Hibernate,Jpa,我刚开始冬眠。 我想在迭代器中使用事务,所以我喜欢这样: Session session = opensession(); Transaction tx = session.beginTransaction(); for { try { something = session.get; something.setX = X; session.save(something) tx.commit(); <-- error

我刚开始冬眠。 我想在迭代器中使用事务,所以我喜欢这样:

Session session = opensession();
Transaction tx = session.beginTransaction();
for {
    try {
        something = session.get;
        something.setX = X;
        session.save(something)
        tx.commit(); <-- error occurs after iterated once.
    catch { tx.rollback(); }
}
something2 = session.get;
something2.setX = X;
session.save(something2);
tx.commit():
session.close();
但hibernate发生事务未成功启动错误
怎么了

请提供纯代码,以便您能够轻松理解您的problem@NiravPrajapati没有业务逻辑,我只想在完成每个迭代之前提交事务,不能多次提交相同的事务。如果提交了一个事务,则需要启动一个新事务。@JBNizet,因此我插入了代码transaction=session.beginTransaction以for语句开头,但程序经常出现超过锁等待超时的情况。虽然我在mysql配置中配置了innodb_lock_wait_timeout=120并重新启动了mysql,但还是发生了相同的错误。