配置Hibernate以从连接池中获取新的连接

问题描述

我如何配置Hibernate，以便每次调用sessionFactory.openSession（）时，它都会连接来自连接池的新连接？连接池由Websphere Application Server管理，并且是JDBC数据源。

谢谢

解决方案

这是默认行为，每个会话将从连接池获得专用连接。

不，他们不是。但是也许第二个连接在为请求启动的事务结束时被释放。看看 hibernate.connection.release_mode ，您可能需要使用 on_close 。但没有关于交易策略的更多细节，不可能说出任何内容。

以我的先前建议，只是不会产生，我不会不知道应用程序服务器的行为。我在什么是正确的方式。

How do I configure Hibernate so that each time I call sessionFactory.openSession() it connects with a new connection from the connection pool? The connection pool is managed by Websphere Application Server and is a JDBC Data Source.

Thanks

解决方案

This is the default behavior, each session will get a dedicated connection from the connection pool.

No they are not. But maybe the second connection gets released at the end of the transaction initiated for the request. Have a look at the hibernate.connection.release_mode configuration parameter, you might want to use on_close. But without more details on your transaction strategy, it's impossible to say anything.

Take my previous advice with a grain of salt, you should just not spawn unmanaged threads and I don't know how the application server will behave. I explain in this other answer what would be the right way.

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